diff options
| author | Sachin Kamat <[email protected]> | 2012-09-17 15:20:23 +0530 |
|---|---|---|
| committer | Vinod Koul <[email protected]> | 2012-09-18 09:04:52 +0530 |
| commit | 61c6e7531d3b66b33187b8cdd700fd8ab93ffd62 (patch) | |
| tree | e65fdbc3eae97f10ba118a9e151a71655b778a44 | |
| parent | 2e2c682becb20416c140aa0d6d3137b51a5c76da (diff) | |
DMA: PL330: Check the pointer returned by kzalloc
kzalloc could return NULL. Hence add a check to avoid
NULL pointer dereference.
Signed-off-by: Sachin Kamat <[email protected]>
Acked-by: Jassi Brar <[email protected]>
Cc: Stable <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>
| -rw-r--r-- | drivers/dma/pl330.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index a3b26ada8122..f5843bc80baa 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -2930,6 +2930,11 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id) num_chan = max_t(int, pi->pcfg.num_peri, pi->pcfg.num_chan); pdmac->peripherals = kzalloc(num_chan * sizeof(*pch), GFP_KERNEL); + if (!pdmac->peripherals) { + ret = -ENOMEM; + dev_err(&adev->dev, "unable to allocate pdmac->peripherals\n"); + goto probe_err5; + } for (i = 0; i < num_chan; i++) { pch = &pdmac->peripherals[i]; |