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| author | Christoph Hellwig <hch@lst.de> | 2020-07-15 08:15:36 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2020-07-31 08:16:01 +0200 |
| commit | 27eb11c9632c66754ea7f67512b3516f998ed213 (patch) | |
| tree | 836c6ba8be09288b97a5ddac4dd6c312e6e390ae /fs | |
| parent | fs: refactor do_utimes (diff) | |
| download | linux-27eb11c9632c66754ea7f67512b3516f998ed213.tar.xz linux-27eb11c9632c66754ea7f67512b3516f998ed213.zip | |
fs: move timespec validation into utimes_common
Consolidate the validation of the timespec from the two callers into
utimes_common. That means it is done a little later (e.g. after the
path lookup), but I can't find anything that requires a specific
order of processing the errors.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/utimes.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/fs/utimes.c b/fs/utimes.c index c667517b6eb1..bfd86e81c590 100644 --- a/fs/utimes.c +++ b/fs/utimes.c @@ -23,14 +23,19 @@ static int utimes_common(const struct path *path, struct timespec64 *times) struct inode *inode = path->dentry->d_inode; struct inode *delegated_inode = NULL; + if (times) { + if (!nsec_valid(times[0].tv_nsec) || + !nsec_valid(times[1].tv_nsec)) + return -EINVAL; + if (times[0].tv_nsec == UTIME_NOW && + times[1].tv_nsec == UTIME_NOW) + times = NULL; + } + error = mnt_want_write(path->mnt); if (error) goto out; - if (times && times[0].tv_nsec == UTIME_NOW && - times[1].tv_nsec == UTIME_NOW) - times = NULL; - newattrs.ia_valid = ATTR_CTIME | ATTR_MTIME | ATTR_ATIME; if (times) { if (times[0].tv_nsec == UTIME_OMIT) @@ -76,9 +81,6 @@ static int do_utimes_path(int dfd, const char __user *filename, struct path path; int lookup_flags = 0, error; - if (times && - (!nsec_valid(times[0].tv_nsec) || !nsec_valid(times[1].tv_nsec))) - return -EINVAL; if (flags & ~(AT_SYMLINK_NOFOLLOW | AT_EMPTY_PATH)) return -EINVAL; @@ -107,9 +109,6 @@ static int do_utimes_fd(int fd, struct timespec64 *times, int flags) struct fd f; int error; - if (times && - (!nsec_valid(times[0].tv_nsec) || !nsec_valid(times[1].tv_nsec))) - return -EINVAL; if (flags) return -EINVAL; |