Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit ec10665c authored by Sachin Kamat's avatar Sachin Kamat Committed by Marek Szyprowski
Browse files

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: default avatarSachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: default avatarMarek Szyprowski <m.szyprowski@samsung.com>
parent 979570e0

arch/arm/mm/dma-mapping.c

+2 −0
Original line number Diff line number Diff line
@@ -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: