* [PATCH 02/15] arm/mach-u300: check kmalloc result
@ 2010-07-16 16:12 Kulikov Vasiliy
2010-07-17 10:00 ` Linus Walleij
0 siblings, 1 reply; 2+ messages in thread
From: Kulikov Vasiliy @ 2010-07-16 16:12 UTC (permalink / raw)
To: linux-arm-kernel
If kmalloc() fails free already allocated memory and exit with -ENOMEM.
Signed-off-by: Kulikov Vasiliy <segooon@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
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2010-07-17 10:00 ` Linus Walleij
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