[PATCH] Staging: dgnc: check kzalloc result

From: Matteo Semenzato
Date: Sun Mar 08 2015 - 12:54:27 EST


From: Matteo Semenzato <mattew8898@xxxxxxxxx>

Return -ENOMEM if allocating brd->flipbuf fails.

Signed-off-by: Matteo Semenzato <mattew8898@xxxxxxxxx>
---
drivers/staging/dgnc/dgnc_driver.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/staging/dgnc/dgnc_driver.c b/drivers/staging/dgnc/dgnc_driver.c
index f177d3a..711af02 100644
--- a/drivers/staging/dgnc/dgnc_driver.c
+++ b/drivers/staging/dgnc/dgnc_driver.c
@@ -622,6 +622,10 @@ 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) {
+ kfree(brd);
+ return -ENOMEM;
+ }

wake_up_interruptible(&brd->state_wait);

--
2.3.1

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