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authorMauro Carvalho Chehab <mchehab@redhat.com>2011-10-31 09:09:32 -0200
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-10-31 09:09:32 -0200
commit2c699499df3f57e62725fcd56842090fb5e82600 (patch)
tree5a9d5b3b5df3d98de92f605b7dee0815d03b5fc8 /crypto
parentddbb67caef2ecd0070c6ebed4d932c51ace1619f (diff)
parentc3b92c8787367a8bb53d57d9789b558f1295cc96 (diff)
Merge tag 'v3.1'origin
* tag 'v3.1': (537 commits) Linux 3.1 x86: Fix S4 regression dm kcopyd: fix job_pool leak ARM: S3C24XX: Fix s3c24xx build errors if !CONFIG_PM crypto: ghash - Avoid null pointer dereference if no key is set ARM: S5P: fix offset calculation on gpio-interrupt hwmon: (w83627ehf) Fix negative 8-bit temperature values mm: fix race between mremap and removing migration entry sparc: Add alignment flag to PCI expansion resources fib_rules: fix unresolved_rules counting r8169: fix wrong eee setting for rlt8111evl r8169: fix driver shutdown WoL regression. ehea: Change maintainer to me [media] videodev: fix a NULL pointer dereference in v4l2_device_release() intel-iommu: fix superpage support in pfn_to_dma_pte() intel-iommu: set iommu_superpage on VM domains to lowest common denominator intel-iommu: fix return value of iommu_unmap() API MAINTAINERS: Update VT-d entry for drivers/pci -> drivers/iommu move drm/radeon/kms/atom: fix handling of FB scratch indices pptp: pptp_rcv_core() misses pskb_may_pull() call ...
Diffstat (limited to 'crypto')
-rw-r--r--crypto/ghash-generic.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/crypto/ghash-generic.c b/crypto/ghash-generic.c
index be4425616931..7835b8fc94db 100644
--- a/crypto/ghash-generic.c
+++ b/crypto/ghash-generic.c
@@ -67,6 +67,9 @@ static int ghash_update(struct shash_desc *desc,
struct ghash_ctx *ctx = crypto_shash_ctx(desc->tfm);
u8 *dst = dctx->buffer;
+ if (!ctx->gf128)
+ return -ENOKEY;
+
if (dctx->bytes) {
int n = min(srclen, dctx->bytes);
u8 *pos = dst + (GHASH_BLOCK_SIZE - dctx->bytes);
@@ -119,6 +122,9 @@ static int ghash_final(struct shash_desc *desc, u8 *dst)
struct ghash_ctx *ctx = crypto_shash_ctx(desc->tfm);
u8 *buf = dctx->buffer;
+ if (!ctx->gf128)
+ return -ENOKEY;
+
ghash_flush(ctx, dctx);
memcpy(dst, buf, GHASH_BLOCK_SIZE);

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