diff options
| author |   Bhaktipriya Shridhar <bhaktipriya96@gmail.com> | 2016-02-22 23:17:16 +0530 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-03-11 22:09:09 -0800 |
| commit | 7ce1b3d3caa712686eaf295a200718b93dcd57da (patch) | |
| tree | 2ff8d036314d60e4404b321e484208f241157460 /drivers/staging/fbtft/fb_agm1264k-fl.c | |
| parent | Staging: nvec: removes an unnecessary cast on a void pointer (diff) | |
| download | linux-dev-7ce1b3d3caa712686eaf295a200718b93dcd57da.tar.xz linux-dev-7ce1b3d3caa712686eaf295a200718b93dcd57da.zip | |
staging: fbtft: Use kmalloc_array
Use kmalloc_array instead of kmalloc for arrays to prevent integer
overflows.
This was done using Coccinelle:
@@
expression e1, e2;
constant C;
type t;
@@
(
- kmalloc(
+ kmalloc_array(
e2
- *
+ ,
sizeof(e1), C)
|
- kmalloc(
+ kmalloc_array(
e1
- *
+ ,
sizeof(t), C)
|
- kmalloc(
+ kmalloc_array(
- sizeof(e1)
- *
e2
+ ,
+ sizeof(e1)
, C)
|
- kmalloc(
+ kmalloc_array(
- sizeof(t)
- *
e1
+ ,
+ sizeof(t)
, C)
)
Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/fbtft/fb_agm1264k-fl.c')
| -rw-r--r-- | drivers/staging/fbtft/fb_agm1264k-fl.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/staging/fbtft/fb_agm1264k-fl.c b/drivers/staging/fbtft/fb_agm1264k-fl.c index 2a50cf957101..ba9fc444b848 100644 --- a/drivers/staging/fbtft/fb_agm1264k-fl.c +++ b/drivers/staging/fbtft/fb_agm1264k-fl.c @@ -272,8 +272,8 @@ static int write_vmem(struct fbtft_par *par, size_t offset, size_t len) int ret = 0; /* buffer to convert RGB565 -> grayscale16 -> Dithered image 1bpp */ - signed short *convert_buf = kmalloc(par->info->var.xres * - par->info->var.yres * sizeof(signed short), GFP_NOIO); + signed short *convert_buf = kmalloc_array(par->info->var.xres * + par->info->var.yres, sizeof(signed short), GFP_NOIO); if (!convert_buf) return -ENOMEM; |