Clearly, we can't handle the NULL filename case, but we can deal with
the case where there's a real pathname.
Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
---
fs/utimes.c | 17 +++++++++++------
1 file changed, 11 insertions(+), 6 deletions(-)
diff --git a/fs/utimes.c b/fs/utimes.c
index bb0696a..c9ce931 100644
--- a/fs/utimes.c
+++ b/fs/utimes.c
@@ -154,17 +154,22 @@ long do_utimes(int dfd, const char __user *filename, struct timespec *times,
fdput(f);
} else {
struct path path;
- int lookup_flags = 0;
+ unsigned int lookup_flags = 0;
+ unsigned int try = 0;
if (!(flags & AT_SYMLINK_NOFOLLOW))
lookup_flags |= LOOKUP_FOLLOW;
- error = user_path_at(dfd, filename, lookup_flags, &path);
- if (error)
- goto out;
+ do {
+ error = user_path_at(dfd, filename,
+ lookup_flags, &path);
+ if (error)
+ break;
- error = utimes_common(&path, times);
- path_put(&path);
+ error = utimes_common(&path, times);
+ path_put(&path);
+ lookup_flags |= LOOKUP_REVAL;
+ } while (retry_estale(error, try++));
}
out:
--
1.7.11.7
--
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