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Received: from viro by zeniv.linux.org.uk with local (Exim 4.98 #2 (Red Hat Linux)) id 1t78bt-0000000AJFI-31pv; Sat, 02 Nov 2024 07:31:49 +0000 From: Al Viro To: linux-fsdevel@vger.kernel.org Cc: Christian Brauner , io-uring@vger.kernel.org, =?UTF-8?q?Christian=20G=C3=B6ttsche?= Subject: [PATCH v2 05/13] xattr: switch to CLASS(fd) Date: Sat, 2 Nov 2024 07:31:41 +0000 Message-ID: <20241102073149.2457240-5-viro@zeniv.linux.org.uk> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241102073149.2457240-1-viro@zeniv.linux.org.uk> References: <20241102072834.GQ1350452@ZenIV> <20241102073149.2457240-1-viro@zeniv.linux.org.uk> Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: Al Viro Reviewed-by: Christian Brauner Signed-off-by: Al Viro --- fs/xattr.c | 35 ++++++++++++++--------------------- 1 file changed, 14 insertions(+), 21 deletions(-) diff --git a/fs/xattr.c b/fs/xattr.c index 05ec7e7d9e87..0fc813cb005c 100644 --- a/fs/xattr.c +++ b/fs/xattr.c @@ -697,9 +697,9 @@ SYSCALL_DEFINE5(fsetxattr, int, fd, const char __user *, name, int error; CLASS(fd, f)(fd); - if (!fd_file(f)) - return -EBADF; + if (fd_empty(f)) + return -EBADF; audit_file(fd_file(f)); error = setxattr_copy(name, &ctx); if (error) @@ -809,16 +809,13 @@ SYSCALL_DEFINE4(lgetxattr, const char __user *, pathname, SYSCALL_DEFINE4(fgetxattr, int, fd, const char __user *, name, void __user *, value, size_t, size) { - struct fd f = fdget(fd); - ssize_t error = -EBADF; + CLASS(fd, f)(fd); - if (!fd_file(f)) - return error; + if (fd_empty(f)) + return -EBADF; audit_file(fd_file(f)); - error = getxattr(file_mnt_idmap(fd_file(f)), fd_file(f)->f_path.dentry, + return getxattr(file_mnt_idmap(fd_file(f)), fd_file(f)->f_path.dentry, name, value, size); - fdput(f); - return error; } /* @@ -885,15 +882,12 @@ SYSCALL_DEFINE3(llistxattr, const char __user *, pathname, char __user *, list, SYSCALL_DEFINE3(flistxattr, int, fd, char __user *, list, size_t, size) { - struct fd f = fdget(fd); - ssize_t error = -EBADF; + CLASS(fd, f)(fd); - if (!fd_file(f)) - return error; + if (fd_empty(f)) + return -EBADF; audit_file(fd_file(f)); - error = listxattr(fd_file(f)->f_path.dentry, list, size); - fdput(f); - return error; + return listxattr(fd_file(f)->f_path.dentry, list, size); } /* @@ -950,12 +944,12 @@ SYSCALL_DEFINE2(lremovexattr, const char __user *, pathname, SYSCALL_DEFINE2(fremovexattr, int, fd, const char __user *, name) { - struct fd f = fdget(fd); + CLASS(fd, f)(fd); char kname[XATTR_NAME_MAX + 1]; - int error = -EBADF; + int error; - if (!fd_file(f)) - return error; + if (fd_empty(f)) + return -EBADF; audit_file(fd_file(f)); error = strncpy_from_user(kname, name, sizeof(kname)); @@ -970,7 +964,6 @@ SYSCALL_DEFINE2(fremovexattr, int, fd, const char __user *, name) fd_file(f)->f_path.dentry, kname); mnt_drop_write_file(fd_file(f)); } - fdput(f); return error; } -- 2.39.5