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stat: use vfs_empty_path() helper

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Use the newly added helper for this.

Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christian Brauner 2024-04-30 13:57:58 +02:00
parent 1bc6d4452d
commit 27a2d0cb2f
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GPG key ID: 91C61BC06578DCA2
1 changed files with 2 additions and 10 deletions
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10
fs/stat.c
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@ -289,16 +289,8 @@ int vfs_fstatat(int dfd, const char __user *filename,
* If AT_EMPTY_PATH is set, we expect the common case to be that * If AT_EMPTY_PATH is set, we expect the common case to be that
* empty path, and avoid doing all the extra pathname work. * empty path, and avoid doing all the extra pathname work.
*/ */
if (dfd >= 0 && flags == AT_EMPTY_PATH) { if (flags == AT_EMPTY_PATH && vfs_empty_path(dfd, filename))
char c;
ret = get_user(c, filename);
if (unlikely(ret))
return ret;
if (likely(!c))
return vfs_fstat(dfd, stat); return vfs_fstat(dfd, stat);
}
name = getname_flags(filename, getname_statx_lookup_flags(statx_flags)); name = getname_flags(filename, getname_statx_lookup_flags(statx_flags));
ret = vfs_statx(dfd, name, statx_flags, stat, STATX_BASIC_STATS); ret = vfs_statx(dfd, name, statx_flags, stat, STATX_BASIC_STATS);