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[8/8] dma-buf: use krealloc_array()

Message ID 20201027121725.24660-9-brgl@bgdev.pl
State Superseded
Headers show
Series slab: provide and use krealloc_array() | expand

Commit Message

Bartosz Golaszewski Oct. 27, 2020, 12:17 p.m. UTC
From: Bartosz Golaszewski <bgolaszewski@baylibre.com>

Use the helper that checks for overflows internally instead of manually
calculating the size of the new array.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
---
 drivers/dma-buf/sync_file.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Christian König Oct. 27, 2020, 12:21 p.m. UTC | #1
Am 27.10.20 um 13:17 schrieb Bartosz Golaszewski:
> From: Bartosz Golaszewski <bgolaszewski@baylibre.com>

>

> Use the helper that checks for overflows internally instead of manually

> calculating the size of the new array.

>

> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>


Acked-by: Christian König <christian.koenig@amd.com>


> ---

>   drivers/dma-buf/sync_file.c | 4 ++--

>   1 file changed, 2 insertions(+), 2 deletions(-)

>

> diff --git a/drivers/dma-buf/sync_file.c b/drivers/dma-buf/sync_file.c

> index 5a5a1da01a00..2925ea03eef0 100644

> --- a/drivers/dma-buf/sync_file.c

> +++ b/drivers/dma-buf/sync_file.c

> @@ -270,8 +270,8 @@ static struct sync_file *sync_file_merge(const char *name, struct sync_file *a,

>   		fences[i++] = dma_fence_get(a_fences[0]);

>   

>   	if (num_fences > i) {

> -		nfences = krealloc(fences, i * sizeof(*fences),

> -				  GFP_KERNEL);

> +		nfences = krealloc_array(fences, i,

> +					 sizeof(*fences), GFP_KERNEL);

>   		if (!nfences)

>   			goto err;

>
diff mbox series

Patch

diff --git a/drivers/dma-buf/sync_file.c b/drivers/dma-buf/sync_file.c
index 5a5a1da01a00..2925ea03eef0 100644
--- a/drivers/dma-buf/sync_file.c
+++ b/drivers/dma-buf/sync_file.c
@@ -270,8 +270,8 @@  static struct sync_file *sync_file_merge(const char *name, struct sync_file *a,
 		fences[i++] = dma_fence_get(a_fences[0]);
 
 	if (num_fences > i) {
-		nfences = krealloc(fences, i * sizeof(*fences),
-				  GFP_KERNEL);
+		nfences = krealloc_array(fences, i,
+					 sizeof(*fences), GFP_KERNEL);
 		if (!nfences)
 			goto err;