aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/crypto
diff options
context:
space:
mode:
authorKim Phillips <kim.phillips@freescale.com>2011-05-25 23:30:34 -0400
committerHerbert Xu <herbert@gondor.apana.org.au>2011-06-29 19:43:27 -0400
commita18b989a5c12ca82ed37f94279273ddbc073758a (patch)
tree496c4c043d7712a52691cadf5df8025ab32a63c9 /drivers/crypto
parent258e43fdb00c73d424b114ae3850accd55b27cbb (diff)
crypto: caam - fix operator precedence in shared descriptor allocation
setkey allocates 16 bytes (CAAM_CMD_SZ * DESC_AEAD_SHARED_TEXT_LEN) shy of what is needed to store the shared descriptor, resulting in memory corruption. Fix this. Signed-off-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
-rw-r--r--drivers/crypto/caam/caamalg.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index d0e65d6ddc77..676d957c22b0 100644
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -238,9 +238,9 @@ static int build_sh_desc_ipsec(struct caam_ctx *ctx)
238 238
239 /* build shared descriptor for this session */ 239 /* build shared descriptor for this session */
240 sh_desc = kmalloc(CAAM_CMD_SZ * DESC_AEAD_SHARED_TEXT_LEN + 240 sh_desc = kmalloc(CAAM_CMD_SZ * DESC_AEAD_SHARED_TEXT_LEN +
241 keys_fit_inline ? 241 (keys_fit_inline ?
242 ctx->split_key_pad_len + ctx->enckeylen : 242 ctx->split_key_pad_len + ctx->enckeylen :
243 CAAM_PTR_SZ * 2, GFP_DMA | GFP_KERNEL); 243 CAAM_PTR_SZ * 2), GFP_DMA | GFP_KERNEL);
244 if (!sh_desc) { 244 if (!sh_desc) {
245 dev_err(jrdev, "could not allocate shared descriptor\n"); 245 dev_err(jrdev, "could not allocate shared descriptor\n");
246 return -ENOMEM; 246 return -ENOMEM;