As pointed by smatch:
drivers/media/tuners/r820t.c:2374 r820t_attach() error: potential null dereference 'priv'. (kzalloc returns null)
The current function with prints error assumes that the attach
succeeds. So, don't use it in case of failures.
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx>
---
drivers/media/tuners/r820t.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/media/tuners/r820t.c b/drivers/media/tuners/r820t.c
index bc9299059f48..3e14b9e2e763 100644
--- a/drivers/media/tuners/r820t.c
+++ b/drivers/media/tuners/r820t.c
@@ -20,6 +20,8 @@
//
// RF Gain set/get is not implemented.
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/videodev2.h>
#include <linux/mutex.h>
#include <linux/slab.h>
@@ -2371,7 +2373,7 @@ struct dvb_frontend *r820t_attach(struct dvb_frontend *fe,
err_no_gate:
mutex_unlock(&r820t_list_mutex);
- tuner_info("%s: failed=%d\n", __func__, rc);
+ pr_info("%s: failed=%d\n", __func__, rc);
r820t_release(fe);
return NULL;
}
--
2.14.3
