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authorLee Jones <lee.jones@linaro.org>2013-12-13 10:47:28 +0000
committerFelipe Balbi <balbi@ti.com>2013-12-17 13:17:42 -0600
commit086ed9a0bcca0201301b74a0c5160c04f2f38f8b (patch)
treeb13c5a8c3dbe7021330d92f732bc862b709fc0be /drivers/usb/musb
parent5056ee83e8e9b3b3eec895f8bb0804a802fb61d2 (diff)
usb: musb: ux500_dma: fix potential NULL dereference error
static checker warning: "drivers/usb/musb/ux500_dma.c:335 ux500_dma_controller_start() error: potential NULL dereference 'param_array'." Acked-by: Linus Walleij <linus.walleij@linaro.org> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/musb')
-rw-r--r--drivers/usb/musb/ux500_dma.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/musb/ux500_dma.c b/drivers/usb/musb/ux500_dma.c
index 3700e9713258..9aad00f11bd5 100644
--- a/drivers/usb/musb/ux500_dma.c
+++ b/drivers/usb/musb/ux500_dma.c
@@ -336,7 +336,9 @@ static int ux500_dma_controller_start(struct ux500_dma_controller *controller)
data ?
data->dma_filter :
NULL,
- param_array[ch_num]);
+ param_array ?
+ param_array[ch_num] :
+ NULL);
if (!ux500_channel->dma_chan) {
ERR("Dma pipe allocation error dir=%d ch=%d\n",