[PATCH] vme: Added NULL check for bridge

[Souptick Joarder]

From: "Souptick Joarder (HPE)" <jrdr.linux@xxxxxxxxx>

Kernel test robot throws below warning ->
drivers/staging/vme_user/vme.c:662:20: warning: dereference
of NULL 'bridge' [CWE-476] [-Wanalyzer-null-dereference]

Added a NULL check.

Reported-by: Kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Souptick Joarder (HPE) <jrdr.linux@xxxxxxxxx>
---
 drivers/staging/vme_user/vme.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/vme_user/vme.c b/drivers/staging/vme_user/vme.c
index b5555683a069..ede774f2fe5a 100644
--- a/drivers/staging/vme_user/vme.c
+++ b/drivers/staging/vme_user/vme.c
@@ -659,7 +659,7 @@ ssize_t vme_master_read(struct vme_resource *resource, void *buf, size_t count,
 	struct vme_master_resource *image;
 	size_t length;
 
-	if (!bridge->master_read) {
+	if (bridge && !bridge->master_read) {
 		printk(KERN_WARNING "Reading from resource not supported\n");
 		return -EINVAL;
 	}
-- 
2.25.1