kernel: tmpfs: Check NULL 'dirent', not 'res'

When going through each node in the tmpfs namespace, 'dirent' will be
NULL if nothing was found. This commit fixes a bad check where we were
using the wrong pointer.

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/sys/fs/tmpfs.c b/sys/fs/tmpfs.c
index 6ae1c38..c3f2fae 100644
--- a/sys/fs/tmpfs.c
+++ b/sys/fs/tmpfs.c
@@ -121,7 +121,7 @@ tmpfs_do_lookup(const char *rpath, struct tmpfs_node **res)
     }
 
     spinlock_release(&cnp->lock);
-    if (res == NULL) {
+    if (dirent == NULL) {
         return -ENOENT;
     }