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Subject[PATCH] vme: Added NULL check for bridge
Date
From: "Souptick Joarder (HPE)" <jrdr.linux@gmail.com>

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@intel.com>
Signed-off-by: Souptick Joarder (HPE) <jrdr.linux@gmail.com>
---
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
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