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| author | Will Thomas <will.thomas@imgtec.com> | 2016-08-05 14:00:14 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2016-08-09 18:47:19 +0800 |
| commit | 10badea259fab2ec91a5e6bf1e568a01e4cb5263 (patch) | |
| tree | c4dd546e7b50ce90be3e32da2121224d0890c80d /drivers/crypto | |
| parent | 0fae0c1e1d7991ce0dbefdd1c35c14e9d0025cc2 (diff) | |
| download | linux-stable-10badea259fab2ec91a5e6bf1e568a01e4cb5263.tar.gz linux-stable-10badea259fab2ec91a5e6bf1e568a01e4cb5263.tar.bz2 linux-stable-10badea259fab2ec91a5e6bf1e568a01e4cb5263.zip | |
crypto: img-hash - Fix null pointer exception
Sporadic null pointer exceptions came from here. Fix them.
Signed-off-by: Will Thomas <will.thomas@imgtec.com>
Reviewed-by: James Hartley <james.hartley@imgtec.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/img-hash.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/crypto/img-hash.c b/drivers/crypto/img-hash.c index 68e8aa90fe01..e5c941bdc693 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 (!hdev->req || !ctx->sg) return; addr = sg_virt(ctx->sg); |