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kernel: Fix potential refcount leak in su check
[GitHub/mt8127/android_kernel_alcatel_ttab.git]
/
fs
/
namei.c
diff --git
a/fs/namei.c
b/fs/namei.c
index 36d4b29459ecb52a713c1cc3565e426a36e43c77..67d8ee787f0135acdaf4b509519e693858dec01a 100644
(file)
--- a/
fs/namei.c
+++ b/
fs/namei.c
@@
-2012,8
+2012,10
@@
static int path_lookupat(int dfd, const char *name,
if (!err) {
struct super_block *sb = nd->inode->i_sb;
if (sb->s_flags & MS_RDONLY) {
- if (d_is_su(nd->path.dentry) && !su_visible())
+ if (d_is_su(nd->path.dentry) && !su_visible()) {
+ path_put(&nd->path);
err = -ENOENT;
+ }
}
}