The return value of dentry_open() shoud be checked by IS_ERR().
Cc: Stephen Smalley <[email protected]>
Cc: James Morris <[email protected]>
Signed-off-by: Akinobu Mita <[email protected]>
---
security/selinux/hooks.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: work-fault-inject/security/selinux/hooks.c
===================================================================
--- work-fault-inject.orig/security/selinux/hooks.c
+++ work-fault-inject/security/selinux/hooks.c
@@ -1760,7 +1760,8 @@ static inline void flush_unauthorized_fi
get_file(devnull);
} else {
devnull = dentry_open(dget(selinux_null), mntget(selinuxfs_mount), O_RDWR);
- if (!devnull) {
+ if (IS_ERR(devnull)) {
+ devnull = NULL;
put_unused_fd(fd);
fput(file);
continue;
-
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