[PATCH] staging: dgnc: check if kzalloc fails in dgnc_tty_init()

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kzalloc() could fail so add a check and return -ENOMEM if it does that gets
propogated to the pci layer

Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@xxxxxxxxx>
---
 drivers/staging/dgnc/dgnc_tty.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c
index 61d5a8e..23337da 100644
--- a/drivers/staging/dgnc/dgnc_tty.c
+++ b/drivers/staging/dgnc/dgnc_tty.c
@@ -311,6 +311,8 @@ int dgnc_tty_init(struct dgnc_board *brd)
 			 * interrupt context, and there are no locks held.
 			 */
 			brd->channels[i] = kzalloc(sizeof(*brd->channels[i]), GFP_KERNEL);
+			if (!brd->channels[i])
+				return -ENOMEM;
 		}
 	}
 
-- 
2.3.5

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