* [ammarfaizi2-block:viro/vfs/work.csum 5/5] include/net/checksum.h:35:23: error: static declaration of 'ip_compute_csum' follows non-static declaration
@ 2023-03-07 12:53 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-03-07 12:53 UTC (permalink / raw)
To: Al Viro; +Cc: oe-kbuild-all, Ammar Faizi, GNU/Weeb Mailing List
tree: https://github.com/ammarfaizi2/linux-block viro/vfs/work.csum
head: 8b3fb774b1eee6ee4f8c896e3d2f25bb82d2f467
commit: 8b3fb774b1eee6ee4f8c896e3d2f25bb82d2f467 [5/5] consolidate default ip_compute_csum()
config: um-x86_64_defconfig (https://download.01.org/0day-ci/archive/20230307/[email protected]/config)
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
# https://github.com/ammarfaizi2/linux-block/commit/8b3fb774b1eee6ee4f8c896e3d2f25bb82d2f467
git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
git fetch --no-tags ammarfaizi2-block viro/vfs/work.csum
git checkout 8b3fb774b1eee6ee4f8c896e3d2f25bb82d2f467
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=um SUBARCH=x86_64 olddefconfig
make W=1 O=build_dir ARCH=um SUBARCH=x86_64 SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <[email protected]>
| Link: https://lore.kernel.org/oe-kbuild-all/[email protected]/
All errors (new ones prefixed by >>):
In file included from include/linux/skbuff.h:26,
from include/net/net_namespace.h:43,
from init/main.c:104:
>> include/net/checksum.h:35:23: error: static declaration of 'ip_compute_csum' follows non-static declaration
35 | static inline __sum16 ip_compute_csum(const void *buff, int len)
| ^~~~~~~~~~~~~~~
In file included from arch/x86/um/asm/checksum.h:105,
from include/net/checksum.h:21,
from include/linux/skbuff.h:26,
from include/net/net_namespace.h:43,
from init/main.c:104:
arch/x86/um/asm/checksum_64.h:17:16: note: previous declaration of 'ip_compute_csum' with type '__sum16(const void *, int)' {aka 'short unsigned int(const void *, int)'}
17 | extern __sum16 ip_compute_csum(const void *buff, int len);
| ^~~~~~~~~~~~~~~
init/main.c:775:20: warning: no previous prototype for 'arch_post_acpi_subsys_init' [-Wmissing-prototypes]
775 | void __init __weak arch_post_acpi_subsys_init(void) { }
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
init/main.c:787:20: warning: no previous prototype for 'mem_encrypt_init' [-Wmissing-prototypes]
787 | void __init __weak mem_encrypt_init(void) { }
| ^~~~~~~~~~~~~~~~
init/main.c:789:20: warning: no previous prototype for 'poking_init' [-Wmissing-prototypes]
789 | void __init __weak poking_init(void) { }
| ^~~~~~~~~~~
--
In file included from include/linux/skbuff.h:26,
from include/net/net_namespace.h:43,
from include/linux/inet.h:42,
from include/linux/sunrpc/msg_prot.h:205,
from include/linux/sunrpc/auth.h:14,
from include/linux/nfs_fs.h:31,
from init/do_mounts.c:22:
>> include/net/checksum.h:35:23: error: static declaration of 'ip_compute_csum' follows non-static declaration
35 | static inline __sum16 ip_compute_csum(const void *buff, int len)
| ^~~~~~~~~~~~~~~
In file included from arch/x86/um/asm/checksum.h:105,
from include/net/checksum.h:21,
from include/linux/skbuff.h:26,
from include/net/net_namespace.h:43,
from include/linux/inet.h:42,
from include/linux/sunrpc/msg_prot.h:205,
from include/linux/sunrpc/auth.h:14,
from include/linux/nfs_fs.h:31,
from init/do_mounts.c:22:
arch/x86/um/asm/checksum_64.h:17:16: note: previous declaration of 'ip_compute_csum' with type '__sum16(const void *, int)' {aka 'short unsigned int(const void *, int)'}
17 | extern __sum16 ip_compute_csum(const void *buff, int len);
| ^~~~~~~~~~~~~~~
--
In file included from include/linux/skbuff.h:26,
from include/linux/if_arp.h:22,
from arch/um/drivers/slirp_kern.c:6:
>> include/net/checksum.h:35:23: error: static declaration of 'ip_compute_csum' follows non-static declaration
35 | static inline __sum16 ip_compute_csum(const void *buff, int len)
| ^~~~~~~~~~~~~~~
In file included from arch/x86/um/asm/checksum.h:105,
from include/net/checksum.h:21,
from include/linux/skbuff.h:26,
from include/linux/if_arp.h:22,
from arch/um/drivers/slirp_kern.c:6:
arch/x86/um/asm/checksum_64.h:17:16: note: previous declaration of 'ip_compute_csum' with type '__sum16(const void *, int)' {aka 'short unsigned int(const void *, int)'}
17 | extern __sum16 ip_compute_csum(const void *buff, int len);
| ^~~~~~~~~~~~~~~
arch/um/drivers/slirp_kern.c:18:6: warning: no previous prototype for 'slirp_init' [-Wmissing-prototypes]
18 | void slirp_init(struct net_device *dev, void *data)
| ^~~~~~~~~~
--
kernel/fork.c:162:13: warning: no previous prototype for 'arch_release_task_struct' [-Wmissing-prototypes]
162 | void __weak arch_release_task_struct(struct task_struct *tsk)
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/fork.c:859:20: warning: no previous prototype for 'arch_task_cache_init' [-Wmissing-prototypes]
859 | void __init __weak arch_task_cache_init(void) { }
| ^~~~~~~~~~~~~~~~~~~~
kernel/fork.c:954:12: warning: no previous prototype for 'arch_dup_task_struct' [-Wmissing-prototypes]
954 | int __weak arch_dup_task_struct(struct task_struct *dst,
| ^~~~~~~~~~~~~~~~~~~~
In file included from include/linux/skbuff.h:26,
from include/net/net_namespace.h:43,
from include/linux/init_task.h:18,
from kernel/fork.c:1088:
>> include/net/checksum.h:35:23: error: static declaration of 'ip_compute_csum' follows non-static declaration
35 | static inline __sum16 ip_compute_csum(const void *buff, int len)
| ^~~~~~~~~~~~~~~
In file included from arch/x86/um/asm/checksum.h:105,
from include/net/checksum.h:21,
from include/linux/skbuff.h:26,
from include/net/net_namespace.h:43,
from include/linux/init_task.h:18,
from kernel/fork.c:1088:
arch/x86/um/asm/checksum_64.h:17:16: note: previous declaration of 'ip_compute_csum' with type '__sum16(const void *, int)' {aka 'short unsigned int(const void *, int)'}
17 | extern __sum16 ip_compute_csum(const void *buff, int len);
| ^~~~~~~~~~~~~~~
--
In file included from include/linux/skbuff.h:26,
from include/net/net_namespace.h:43,
from include/linux/init_task.h:18,
from kernel/exit.c:55:
>> include/net/checksum.h:35:23: error: static declaration of 'ip_compute_csum' follows non-static declaration
35 | static inline __sum16 ip_compute_csum(const void *buff, int len)
| ^~~~~~~~~~~~~~~
In file included from arch/x86/um/asm/checksum.h:105,
from include/net/checksum.h:21,
from include/linux/skbuff.h:26,
from include/net/net_namespace.h:43,
from include/linux/init_task.h:18,
from kernel/exit.c:55:
arch/x86/um/asm/checksum_64.h:17:16: note: previous declaration of 'ip_compute_csum' with type '__sum16(const void *, int)' {aka 'short unsigned int(const void *, int)'}
17 | extern __sum16 ip_compute_csum(const void *buff, int len);
| ^~~~~~~~~~~~~~~
kernel/exit.c:1915:32: warning: no previous prototype for 'abort' [-Wmissing-prototypes]
1915 | __weak __function_aligned void abort(void)
| ^~~~~
--
In file included from include/linux/skbuff.h:26,
from include/linux/filter.h:12,
from kernel/kallsyms.c:25:
>> include/net/checksum.h:35:23: error: static declaration of 'ip_compute_csum' follows non-static declaration
35 | static inline __sum16 ip_compute_csum(const void *buff, int len)
| ^~~~~~~~~~~~~~~
In file included from arch/x86/um/asm/checksum.h:105,
from include/net/checksum.h:21,
from include/linux/skbuff.h:26,
from include/linux/filter.h:12,
from kernel/kallsyms.c:25:
arch/x86/um/asm/checksum_64.h:17:16: note: previous declaration of 'ip_compute_csum' with type '__sum16(const void *, int)' {aka 'short unsigned int(const void *, int)'}
17 | extern __sum16 ip_compute_csum(const void *buff, int len);
| ^~~~~~~~~~~~~~~
kernel/kallsyms.c:663:12: warning: no previous prototype for 'arch_get_kallsym' [-Wmissing-prototypes]
663 | int __weak arch_get_kallsym(unsigned int symnum, unsigned long *value,
| ^~~~~~~~~~~~~~~~
--
In file included from include/linux/skbuff.h:26,
from include/net/net_namespace.h:43,
from include/linux/netdevice.h:38,
from arch/um/os-Linux/drivers/ethertap_kern.c:10:
>> include/net/checksum.h:35:23: error: static declaration of 'ip_compute_csum' follows non-static declaration
35 | static inline __sum16 ip_compute_csum(const void *buff, int len)
| ^~~~~~~~~~~~~~~
In file included from arch/x86/um/asm/checksum.h:105,
from include/net/checksum.h:21,
from include/linux/skbuff.h:26,
from include/net/net_namespace.h:43,
from include/linux/netdevice.h:38,
from arch/um/os-Linux/drivers/ethertap_kern.c:10:
arch/x86/um/asm/checksum_64.h:17:16: note: previous declaration of 'ip_compute_csum' with type '__sum16(const void *, int)' {aka 'short unsigned int(const void *, int)'}
17 | extern __sum16 ip_compute_csum(const void *buff, int len);
| ^~~~~~~~~~~~~~~
arch/um/os-Linux/drivers/ethertap_kern.c:66:5: warning: no previous prototype for 'ethertap_setup' [-Wmissing-prototypes]
66 | int ethertap_setup(char *str, char **mac_out, void *data)
| ^~~~~~~~~~~~~~
--
In file included from include/linux/skbuff.h:26,
from include/net/net_namespace.h:43,
from include/linux/netdevice.h:38,
from arch/um/os-Linux/drivers/tuntap_kern.c:6:
>> include/net/checksum.h:35:23: error: static declaration of 'ip_compute_csum' follows non-static declaration
35 | static inline __sum16 ip_compute_csum(const void *buff, int len)
| ^~~~~~~~~~~~~~~
In file included from arch/x86/um/asm/checksum.h:105,
from include/net/checksum.h:21,
from include/linux/skbuff.h:26,
from include/net/net_namespace.h:43,
from include/linux/netdevice.h:38,
from arch/um/os-Linux/drivers/tuntap_kern.c:6:
arch/x86/um/asm/checksum_64.h:17:16: note: previous declaration of 'ip_compute_csum' with type '__sum16(const void *, int)' {aka 'short unsigned int(const void *, int)'}
17 | extern __sum16 ip_compute_csum(const void *buff, int len);
| ^~~~~~~~~~~~~~~
arch/um/os-Linux/drivers/tuntap_kern.c:56:5: warning: no previous prototype for 'tuntap_setup' [-Wmissing-prototypes]
56 | int tuntap_setup(char *str, char **mac_out, void *data)
| ^~~~~~~~~~~~
--
In file included from include/linux/skbuff.h:26,
from include/net/net_namespace.h:43,
from include/linux/netdevice.h:38,
from include/net/sock.h:46,
from io_uring/io_uring.c:61:
>> include/net/checksum.h:35:23: error: static declaration of 'ip_compute_csum' follows non-static declaration
35 | static inline __sum16 ip_compute_csum(const void *buff, int len)
| ^~~~~~~~~~~~~~~
In file included from arch/x86/um/asm/checksum.h:105,
from include/net/checksum.h:21,
from include/linux/skbuff.h:26,
from include/net/net_namespace.h:43,
from include/linux/netdevice.h:38,
from include/net/sock.h:46,
from io_uring/io_uring.c:61:
arch/x86/um/asm/checksum_64.h:17:16: note: previous declaration of 'ip_compute_csum' with type '__sum16(const void *, int)' {aka 'short unsigned int(const void *, int)'}
17 | extern __sum16 ip_compute_csum(const void *buff, int len);
| ^~~~~~~~~~~~~~~
io_uring/io_uring.c: In function '__io_submit_flush_completions':
io_uring/io_uring.c:1502:40: warning: variable 'prev' set but not used [-Wunused-but-set-variable]
1502 | struct io_wq_work_node *node, *prev;
| ^~~~
--
In file included from include/linux/skbuff.h:26,
from include/linux/tcp.h:17,
from include/linux/ipv6.h:93,
from include/net/addrconf.h:52,
from lib/vsprintf.c:40:
>> include/net/checksum.h:35:23: error: static declaration of 'ip_compute_csum' follows non-static declaration
35 | static inline __sum16 ip_compute_csum(const void *buff, int len)
| ^~~~~~~~~~~~~~~
In file included from arch/x86/um/asm/checksum.h:105,
from include/net/checksum.h:21,
from include/linux/skbuff.h:26,
from include/linux/tcp.h:17,
from include/linux/ipv6.h:93,
from include/net/addrconf.h:52,
from lib/vsprintf.c:40:
arch/x86/um/asm/checksum_64.h:17:16: note: previous declaration of 'ip_compute_csum' with type '__sum16(const void *, int)' {aka 'short unsigned int(const void *, int)'}
17 | extern __sum16 ip_compute_csum(const void *buff, int len);
| ^~~~~~~~~~~~~~~
lib/vsprintf.c: In function 'va_format':
lib/vsprintf.c:1681:9: warning: function 'va_format' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
1681 | buf += vsnprintf(buf, end > buf ? end - buf : 0, va_fmt->fmt, va);
| ^~~
--
In file included from include/linux/skbuff.h:26,
from include/net/net_namespace.h:43,
from include/linux/netdevice.h:38,
from include/net/sock.h:46,
from include/linux/bpf-cgroup.h:11,
from net/socket.c:55:
>> include/net/checksum.h:35:23: error: static declaration of 'ip_compute_csum' follows non-static declaration
35 | static inline __sum16 ip_compute_csum(const void *buff, int len)
| ^~~~~~~~~~~~~~~
In file included from arch/x86/um/asm/checksum.h:105,
from include/net/checksum.h:21,
from include/linux/skbuff.h:26,
from include/net/net_namespace.h:43,
from include/linux/netdevice.h:38,
from include/net/sock.h:46,
from include/linux/bpf-cgroup.h:11,
from net/socket.c:55:
arch/x86/um/asm/checksum_64.h:17:16: note: previous declaration of 'ip_compute_csum' with type '__sum16(const void *, int)' {aka 'short unsigned int(const void *, int)'}
17 | extern __sum16 ip_compute_csum(const void *buff, int len);
| ^~~~~~~~~~~~~~~
net/socket.c: In function '__sys_getsockopt':
net/socket.c:2300:13: warning: variable 'max_optlen' set but not used [-Wunused-but-set-variable]
2300 | int max_optlen;
| ^~~~~~~~~~
..
vim +/ip_compute_csum +35 include/net/checksum.h
25
26 /**
27 * ip_compute_csum - Compute an 16bit IP checksum.
28 * @buff: buffer address.
29 * @len: length of buffer.
30 *
31 * Returns the 16bit folded/inverted checksum of the passed buffer.
32 * Ready to fill in.
33 */
34 #ifndef _HAVE_IP_COMPUTE_CSUM
> 35 static inline __sum16 ip_compute_csum(const void *buff, int len)
36 {
37 return csum_fold (csum_partial(buff, len, 0));
38 }
39 #else
40 extern __sum16 ip_compute_csum(const void *buff, int len);
41 #endif
42
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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2023-03-07 12:53 [ammarfaizi2-block:viro/vfs/work.csum 5/5] include/net/checksum.h:35:23: error: static declaration of 'ip_compute_csum' follows non-static declaration kernel test robot
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