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| author | Christoph Hellwig <hch@lst.de> | 2020-07-14 08:55:05 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-04-13 12:50:14 +0200 |
| commit | b78a72266577fa7be6d482b3a49d020c1e10e966 (patch) | |
| tree | 78e579fffb8d4a241772c7d2ad86efe2b0dd6db2 | |
| parent | c2f18e9a7619e194e564cd159e830efe7ce7545f (diff) | |
| download | linux-stable-b78a72266577fa7be6d482b3a49d020c1e10e966.tar.gz linux-stable-b78a72266577fa7be6d482b3a49d020c1e10e966.tar.bz2 linux-stable-b78a72266577fa7be6d482b3a49d020c1e10e966.zip | |
fs: add a vfs_fchmod helper
[ Upstream commit 9e96c8c0e94eea2f69a9705f5d0f51928ea26c17 ]
Add a helper for struct file based chmode operations. To be used by
the initramfs code soon.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Stable-dep-of: 4624b346cf67 ("init: open /initrd.image with O_LARGEFILE")
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | fs/open.c | 9 | ||||
| -rw-r--r-- | include/linux/fs.h | 1 |
2 files changed, 8 insertions, 2 deletions
diff --git a/fs/open.c b/fs/open.c index e072e86003f5..fc634ab5af0d 100644 --- a/fs/open.c +++ b/fs/open.c @@ -569,14 +569,19 @@ out_unlock: return error; } +int vfs_fchmod(struct file *file, umode_t mode) +{ + audit_file(file); + return chmod_common(&file->f_path, mode); +} + int ksys_fchmod(unsigned int fd, umode_t mode) { struct fd f = fdget(fd); int err = -EBADF; if (f.file) { - audit_file(f.file); - err = chmod_common(&f.file->f_path, mode); + err = vfs_fchmod(f.file, mode); fdput(f); } return err; diff --git a/include/linux/fs.h b/include/linux/fs.h index 7d93d22ad106..95e35e074011 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1661,6 +1661,7 @@ int vfs_mkobj(struct dentry *, umode_t, void *); int vfs_fchown(struct file *file, uid_t user, gid_t group); +int vfs_fchmod(struct file *file, umode_t mode); extern long vfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg); |