Sporadic null pointer exceptions came from here. Fix them.
Signed-off-by: Will Thomas <will.tho...@imgtec.com>
Reviewed-by: James Hartley <james.hart...@imgtec.com>
---
drivers/crypto/img-hash.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/crypto/img-hash.c b/drivers/crypto/img-hash.c
index 68e8aa9..a5f270b 100644
--- a/drivers/crypto/img-hash.c
+++ b/drivers/crypto/img-hash.c
@@ -361,7 +361,7 @@ static void img_hash_dma_task(unsigned long d)
size_t nbytes, bleft, wsend, len, tbc;
struct scatterlist tsg;
- if (!ctx->sg)
+ if (!ctx || !ctx->sg)
return;
addr = sg_virt(ctx->sg);
--
2.1.4
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