[PATCH] BACKPORT: FROMLIST: virtio_video: fix eno.cocci warnings

[kbuild test robot <lkp@intel.com>]

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From: kbuild test robot <lkp@intel.com>

drivers/media/virtio/virtio_video_driver.c:103:5-11: ERROR: allocation function on line 102 returns NULL not ERR_PTR on failure

 The various basic memory allocation functions don't return ERR_PTR

Generated by: scripts/coccinelle/null/eno.cocci

Fixes: bbca48582a73 ("BACKPORT: FROMLIST: virtio_video: Add the Virtio Video V4L2 driver")
CC: Dmitry Sepp <dmitry.sepp@opensynergy.com>
Signed-off-by: kbuild test robot <lkp@intel.com>
---

tree:   https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.4
head:   4ab03425ee573fd6b97746d319f2c88b465a1534
commit: bbca48582a7342c1201691ce0eb08f1538376538 [34/43] BACKPORT: FROMLIST: virtio_video: Add the Virtio Video V4L2 driver

 virtio_video_driver.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/media/virtio/virtio_video_driver.c
+++ b/drivers/media/virtio/virtio_video_driver.c
@@ -100,7 +100,7 @@ static int virtio_video_query_cap_resp_b
 	int resp_size = vv->max_caps_len;
 
 	*resp_buf = kzalloc(vv->max_caps_len, GFP_KERNEL);
-	if (IS_ERR(*resp_buf)) {
+	if (!*resp_buf) {
 		ret = PTR_ERR(*resp_buf);
 		goto err;
 	}