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[11/24] Staging: atomisp: fix an uninitialized variable bug

Message ID 149002083976.17109.17791242315002796691.stgit@acox1-desk1.ger.corp.intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Alan Cox March 20, 2017, 2:40 p.m. UTC 
From: Dan Carpenter <dan.carpenter@oracle.com>

There are some error paths in atomisp_css_frame_allocate() which don't
initialize "res" so it could lead us to try release random memory.

Fixes: a49d25364dfb ("staging/atomisp: Add support for the Intel IPU v2")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
---
 .../media/atomisp/pci/atomisp2/atomisp_cmd.c       |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c
index 08da8ea..37d334e 100644
--- a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c
+++ b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c
@@ -4722,7 +4722,7 @@  static int
 atomisp_v4l2_framebuffer_to_css_frame(const struct v4l2_framebuffer *arg,
 					 struct atomisp_css_frame **result)
 {
-	struct atomisp_css_frame *res;
+	struct atomisp_css_frame *res = NULL;
 	unsigned int padded_width;
 	enum atomisp_css_frame_format sh_format;
 	char *tmp_buf = NULL;