| From | Sasha Levin <> | Subject | [PATCH AUTOSEL 5.3 32/89] misc: fastrpc: prevent memory leak in fastrpc_dma_buf_attach | Date | Fri, 18 Oct 2019 18:02:27 -0400 |
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From: Navid Emamdoost <navid.emamdoost@gmail.com>
[ Upstream commit fc739a058d99c9297ef6bfd923b809d85855b9a9 ]
In fastrpc_dma_buf_attach if dma_get_sgtable fails the allocated memory for a should be released.
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com> Link: https://lore.kernel.org/r/20190925152742.16258-1-navid.emamdoost@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/misc/fastrpc.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c index 98603e235cf04..a76b6c6fd660f 100644 --- a/drivers/misc/fastrpc.c +++ b/drivers/misc/fastrpc.c @@ -499,6 +499,7 @@ static int fastrpc_dma_buf_attach(struct dma_buf *dmabuf, FASTRPC_PHYS(buffer->phys), buffer->size); if (ret < 0) { dev_err(buffer->dev, "failed to get scatterlist from DMA API\n"); + kfree(a); return -EINVAL; } -- 2.20.1
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