Commit 57f9bdac authored by Dan Carpenter's avatar Dan Carpenter Committed by Greg Kroah-Hartman
Browse files

sysfs: checking for NULL instead of ERR_PTR



d_path() returns an ERR_PTR and it doesn't return NULL.
Signed-off-by: default avatarDan Carpenter <error27@gmail.com>
Cc: stable <stable@kernel.org>
Reviewed-by: default avatar"Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 2bfc96a1
......@@ -340,7 +340,7 @@ static int sysfs_open_file(struct inode *inode, struct file *file)
char *p;
p = d_path(&file->f_path, last_sysfs_file, sizeof(last_sysfs_file));
if (p)
if (!IS_ERR(p))
memmove(last_sysfs_file, p, strlen(p) + 1);
/* need attr_sd for attr and ops, its parent for kobj */
......
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