[PATCH v2] accel/qaic: initialize ret variable to 0

Jeffrey Hugo quic_jhugo at quicinc.com
Tue May 23 15:56:16 UTC 2023


On 5/17/2023 10:56 AM, Jeffrey Hugo wrote:
> From: Tom Rix <trix at redhat.com>
> 
> clang static analysis reports
> drivers/accel/qaic/qaic_data.c:610:2: warning: Undefined or garbage
>    value returned to caller [core.uninitialized.UndefReturn]
>          return ret;
>          ^~~~~~~~~~
> 
>  From a code analysis of the function, the ret variable is only set some
> of the time but is always returned.  This suggests ret can return
> uninitialized garbage. However BO allocation will ensure ret is always
> set in reality.
> 
> Initialize ret to 0 to silence the warning.
> 
> Fixes: ff13be830333 ("accel/qaic: Add datapath")
> Signed-off-by: Tom Rix <trix at redhat.com>
> [jhugo: Reword commit text]
> Signed-off-by: Jeffrey Hugo <quic_jhugo at quicinc.com>

Pushed to drm-misc-fixes


More information about the dri-devel mailing list