[PATCH 02/15] arm/mach-u300: check kmalloc result

[Kulikov Vasiliy]

If kmalloc() fails free already allocated memory and exit with -ENOMEM.

Signed-off-by: Kulikov Vasiliy <segooon at gmail.com>
---
 arch/arm/mach-u300/dummyspichip.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-u300/dummyspichip.c b/arch/arm/mach-u300/dummyspichip.c
index 5f55012..452218a 100644
--- a/arch/arm/mach-u300/dummyspichip.c
+++ b/arch/arm/mach-u300/dummyspichip.c
@@ -64,6 +64,11 @@ static ssize_t dummy_looptest(struct device *dev,
 		goto out;
 	}
 	bigrxbuf_virtual = kmalloc(DMA_TEST_SIZE, GFP_KERNEL);
+	if (bigrxbuf_virtual == NULL) {
+		kfree(bigtxbuf_virtual);
+		status = -ENOMEM;
+		goto out;
+	}
 
 	/* Fill TXBUF with some happy pattern */
 	memset(bigtxbuf_virtual, 0xAA, DMA_TEST_SIZE);
-- 
1.7.0.4