From mboxrd@z Thu Jan 1 00:00:00 1970 From: segooon@gmail.com (Kulikov Vasiliy) Date: Fri, 16 Jul 2010 20:12:46 +0400 Subject: [PATCH 02/15] arm/mach-u300: check kmalloc result Message-ID: <1279296767-24823-1-git-send-email-segooon@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org If kmalloc() fails free already allocated memory and exit with -ENOMEM. Signed-off-by: Kulikov Vasiliy --- 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