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ARM: dma-mapping: Fix potential memory leak in atomic_pool_init() 

When either of __alloc_from_contiguous or __alloc_remap_buffer fails
to provide a valid pointer, allocated memory is freed up and an error
is returned. 'pages' was however not freed before returning error.

Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
hifive-unleashed-5.1
Sachin Kamat 2012-09-24 08:35:03 +02:00 committed by Marek Szyprowski
parent 979570e029
commit ec10665cbf
1 changed files with 2 additions and 0 deletions
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2
arch/arm/mm/dma-mapping.c
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@ -346,6 +346,8 @@ static int __init atomic_pool_init(void)
(unsigned)pool->size / 1024);
return 0;
}
kfree(pages);
no_pages:
kfree(bitmap);
no_bitmap: