[PATCH][next] drm/xe/guc: Fix inverted logic on snapshot->copy check
John Harrison
john.c.harrison at intel.com
Wed Oct 9 16:32:46 UTC 2024
On 10/9/2024 09:05, Colin Ian King wrote:
> Currently the check to see if snapshot->copy has been allocated is
> inverted and ends up dereferencing snapshot->copy when free'ing
> objects in the array when it is null or not free'ing the objects
> when snapshot->copy is allocated. Fix this by using the correct
> non-null pointer check logic.
>
> Fixes: d8ce1a977226 ("drm/xe/guc: Use a two stage dump for GuC logs and add more info")
> Signed-off-by: Colin Ian King <colin.i.king at gmail.com>
Reviewed-by: John Harrison <John.C.Harrison at Intel.com>
Thanks for the fix.
> ---
> drivers/gpu/drm/xe/xe_guc_log.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/xe/xe_guc_log.c b/drivers/gpu/drm/xe/xe_guc_log.c
> index 93921f04153f..cc70f448d879 100644
> --- a/drivers/gpu/drm/xe/xe_guc_log.c
> +++ b/drivers/gpu/drm/xe/xe_guc_log.c
> @@ -122,7 +122,7 @@ void xe_guc_log_snapshot_free(struct xe_guc_log_snapshot *snapshot)
> if (!snapshot)
> return;
>
> - if (!snapshot->copy) {
> + if (snapshot->copy) {
> for (i = 0; i < snapshot->num_chunks; i++)
> kfree(snapshot->copy[i]);
> kfree(snapshot->copy);
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