| Message ID | 715937d1ae955d5e5d531ef93d503177865f4083.1517268668.git.gustavo@embeddedor.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/media/platform/rockchip/rga/rga-buf.c b/drivers/media/platform/rockchip/rga/rga-buf.c index 49cacc7..3dd29b2 100644 --- a/drivers/media/platform/rockchip/rga/rga-buf.c +++ b/drivers/media/platform/rockchip/rga/rga-buf.c @@ -140,7 +140,7 @@ void rga_buf_map(struct vb2_buffer *vb) address = sg_phys(sgl); for (p = 0; p < len; p++) { - dma_addr_t phys = address + (p << PAGE_SHIFT); + dma_addr_t phys = address + ((dma_addr_t)p << PAGE_SHIFT); pages[mapped_size + p] = phys; }
Cast p to dma_addr_t in order to avoid a potential integer overflow. This variable is being used in a context that expects an expression of type dma_addr_t (u64). Addresses-Coverity-ID: 1458347 ("Unintentional integer overflow") Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> --- drivers/media/platform/rockchip/rga/rga-buf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)