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authorIan Wisbon <ian.wisbon@timesys.com>2011-02-10 17:15:15 -0500
committerIan Wisbon <ian.wisbon@timesys.com>2011-02-10 17:15:15 -0500
commita9d2ba1444b0af6c2d8534f0b306660ffc045bc6 (patch)
tree79b396bf70ae3795e6ee9a3b645e64f7e29474e7 /arch/arm/plat-mxs/iram.c
parenteffff5718c380983788fe6c380671c18e15ac7c2 (diff)
Linux 2.6.31 Release for Digi ConnectCore Wi-i.MX boards2.6.31-digi-201102101717
Diffstat (limited to 'arch/arm/plat-mxs/iram.c')
-rw-r--r--arch/arm/plat-mxs/iram.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/plat-mxs/iram.c b/arch/arm/plat-mxs/iram.c
index 3d2a391bd2d1..c63b0a2a9a10 100644
--- a/arch/arm/plat-mxs/iram.c
+++ b/arch/arm/plat-mxs/iram.c
@@ -36,6 +36,11 @@ void *iram_alloc(unsigned int size, unsigned long *dma_addr)
*dma_addr = gen_pool_alloc(iram_pool, size);
pr_debug("iram alloc - %dB@0x%p\n", size, (void *)*dma_addr);
+
+ WARN_ON(!*dma_addr);
+ if (!*dma_addr)
+ return NULL;
+
return iram_phys_to_virt(*dma_addr);
}
EXPORT_SYMBOL(iram_alloc);