[PATCH] staging: dgnc: check return value of kzalloc

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Check the return value of kzalloc & return error if it fails.

Signed-off-by: Gujulan Elango Hari Prasath <hgujulan@xxxxxxxxxxx>
---
 drivers/staging/dgnc/dgnc_driver.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/staging/dgnc/dgnc_driver.c b/drivers/staging/dgnc/dgnc_driver.c
index 935e297..2c729be 100644
--- a/drivers/staging/dgnc/dgnc_driver.c
+++ b/drivers/staging/dgnc/dgnc_driver.c
@@ -589,6 +589,8 @@ static int dgnc_found_board(struct pci_dev *pdev, int id)
 	 * context, and there are no locks held.
 	 */
 	brd->flipbuf = kzalloc(MYFLIPLEN, GFP_KERNEL);
+	if (!brd->flipbuf)
+		return -ENOMEM;
 
 	wake_up_interruptible(&brd->state_wait);
 
-- 
1.9.1
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