From: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Date: Mon, 26 Mar 2018 14:16:07 +0000 (-0400)
Subject: media: staging: atomisp: ia_css_output.host: don't use var before check
X-Git-Tag: v4.17-rc1~65^2~19
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=a0891a6e8ea63c382e0a1afc0d49197cf75aaf59;p=linux-2.6-block.git

media: staging: atomisp: ia_css_output.host: don't use var before check

Fix this warning:
	drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/output/output_1.0/ia_css_output.host.c:64 ia_css_output_config() warn: variable dereferenced before check 'from->info' (see line 63)

Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
---

diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/output/output_1.0/ia_css_output.host.c b/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/output/output_1.0/ia_css_output.host.c
index 8fdf47c9310c..9efe5e5e4e06 100644
--- a/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/output/output_1.0/ia_css_output.host.c
+++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/output/output_1.0/ia_css_output.host.c
@@ -60,7 +60,7 @@ ia_css_output_config(
 	(void)size;
 	ia_css_dma_configure_from_info(&to->port_b, from->info);
 	to->width_a_over_b = elems_a / to->port_b.elems;
-	to->height = from->info->res.height;
+	to->height = from->info ? from->info->res.height : 0;
 	to->enable = from->info != NULL;
 	ia_css_frame_info_to_frame_sp_info(&to->info, from->info);