ARM: dma-mapping: fix error path for memory allocation failure
authorMarek Szyprowski <m.szyprowski@samsung.com>
Fri, 27 Jul 2012 15:12:50 +0000 (17:12 +0200)
committerMarek Szyprowski <m.szyprowski@samsung.com>
Mon, 30 Jul 2012 10:25:45 +0000 (12:25 +0200)
commit9fa8af91f0679f2abbebe1382b937264f3a8b981
treead23ecfd24dce5f64b151804d6308413b17257f8
parent50262a4bf38dd70486e9fce2b8235d5ae3e0f627
ARM: dma-mapping: fix error path for memory allocation failure

This patch fixes incorrect check in error path. When the allocation of
first page fails, the kernel ops appears due to accessing -1 element of
the pages array.

Reported-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
arch/arm/mm/dma-mapping.c