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crypto: tegra-aes - Fix NULL pointer dereference

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'dd' is tested for NULL. However, it is derefenced in the error
message print. Change the print to pr_err to avoid this.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Sachin Kamat 2013-09-16 09:01:10 +05:30 committed by Herbert Xu
parent 4903e9694d
commit 6665ad20f0
1 changed files with 3 additions and 1 deletions
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4
drivers/crypto/tegra-aes.c
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@ -27,6 +27,8 @@
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/module.h>
#include <linux/init.h>
#include <linux/errno.h>
@ -716,7 +718,7 @@ static int tegra_aes_rng_reset(struct crypto_rng *tfm, u8 *seed,
u8 *dt;
if (!ctx || !dd) {
dev_err(dd->dev, "ctx=0x%x, dd=0x%x\n",
pr_err("ctx=0x%x, dd=0x%x\n",
(unsigned int)ctx, (unsigned int)dd);
return -EINVAL;
}