diff mbox

amdkfd: actually allocate longs for the pasid bitmask

Message ID 1419785077-25800-1-git-send-email-sasha.levin@oracle.com (mailing list archive)
State New, archived
Headers show

Commit Message

Sasha Levin Dec. 28, 2014, 4:44 p.m. UTC
Commit "amdkfd: use sizeof(long) granularity for the pasid bitmask" calculated
the number of longs it will need, but ended up allocating that number of
bytes rather than longs.

Fix that silly error and allocate the amount of data really required.

Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_pasid.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Oded Gabbay Dec. 29, 2014, 8:51 a.m. UTC | #1
On 12/28/2014 06:44 PM, Sasha Levin wrote:
> Commit "amdkfd: use sizeof(long) granularity for the pasid bitmask" calculated
> the number of longs it will need, but ended up allocating that number of
> bytes rather than longs.
>
> Fix that silly error and allocate the amount of data really required.
>
> Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
> ---
>   drivers/gpu/drm/amd/amdkfd/kfd_pasid.c |    2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c b/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c
> index 71699ad..4c25ef5 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c
> @@ -32,7 +32,7 @@ int kfd_pasid_init(void)
>   {
>   	pasid_limit = max_num_of_processes;
>
> -	pasid_bitmap = kzalloc(BITS_TO_LONGS(pasid_limit), GFP_KERNEL);
> +	pasid_bitmap = kcalloc(BITS_TO_LONGS(pasid_limit), sizeof(long), GFP_KERNEL);
>   	if (!pasid_bitmap)
>   		return -ENOMEM;
>
>
Thanks!
Applied to my amdkfd-fixes tree.

	Oded
diff mbox

Patch

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c b/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c
index 71699ad..4c25ef5 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c
@@ -32,7 +32,7 @@  int kfd_pasid_init(void)
 {
 	pasid_limit = max_num_of_processes;
 
-	pasid_bitmap = kzalloc(BITS_TO_LONGS(pasid_limit), GFP_KERNEL);
+	pasid_bitmap = kcalloc(BITS_TO_LONGS(pasid_limit), sizeof(long), GFP_KERNEL);
 	if (!pasid_bitmap)
 		return -ENOMEM;