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Subject[PATCH 4/6] media: staging: atomisp: Fix potential NULL pointer dereference
Date
In ia_css_pipe_get_primary_binarydesc(), "pipe" is being dereferenced
before it is null checked.
Fix it by moving the "pipe" pointer dereference after it has been
properly null checked.

Signed-off-by: Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>
---
.../atomisp/pci/atomisp2/css2400/camera/pipe/src/pipe_binarydesc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/camera/pipe/src/pipe_binarydesc.c b/drivers/staging/media/atomisp/pci/atomisp2/css2400/camera/pipe/src/pipe_binarydesc.c
index 98a2a3e..ca86157 100644
--- a/drivers/staging/media/atomisp/pci/atomisp2/css2400/camera/pipe/src/pipe_binarydesc.c
+++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/camera/pipe/src/pipe_binarydesc.c
@@ -554,7 +554,7 @@ void ia_css_pipe_get_primary_binarydesc(
struct ia_css_frame_info *vf_info,
unsigned int stage_idx)
{
- enum ia_css_pipe_version pipe_version = pipe->config.isp_pipe_version;
+ enum ia_css_pipe_version pipe_version;
int mode;
unsigned int i;
struct ia_css_frame_info *out_infos[IA_CSS_BINARY_MAX_OUTPUT_PORTS];
@@ -567,6 +567,7 @@ void ia_css_pipe_get_primary_binarydesc(
/*assert(vf_info != NULL);*/
IA_CSS_ENTER_PRIVATE("");

+ pipe_version = pipe->config.isp_pipe_version;
if (pipe_version == IA_CSS_PIPE_VERSION_2_6_1)
mode = primary_hq_binary_modes[stage_idx];
else
--
2.7.4
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