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authorLABBE Corentin <clabbe.montjoie@gmail.com>2015-10-02 14:12:58 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2015-10-08 21:42:21 +0800
commit9d83d299549d0e121245d56954242750d0c14338 (patch)
tree62abe7e8947f5b24e20371dd34b0fb9ef970c308 /drivers/crypto/atmel-tdes.c
parentc6415a6016bff0b547c13cadb1d5e50e9ace2be3 (diff)
downloadlinux-9d83d299549d0e121245d56954242750d0c14338.tar.gz
crypto: atmel - Check for clk_prepare_enable() return value
clk_prepare_enable() can fail so add a check for this and return the error code if it fails. Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/atmel-tdes.c')
-rw-r--r--drivers/crypto/atmel-tdes.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/crypto/atmel-tdes.c b/drivers/crypto/atmel-tdes.c
index ca2999709eb4..504e90340074 100644
--- a/drivers/crypto/atmel-tdes.c
+++ b/drivers/crypto/atmel-tdes.c
@@ -218,7 +218,11 @@ static struct atmel_tdes_dev *atmel_tdes_find_dev(struct atmel_tdes_ctx *ctx)
static int atmel_tdes_hw_init(struct atmel_tdes_dev *dd)
{
- clk_prepare_enable(dd->iclk);
+ int err;
+
+ err = clk_prepare_enable(dd->iclk);
+ if (err)
+ return err;
if (!(dd->flags & TDES_FLAGS_INIT)) {
atmel_tdes_write(dd, TDES_CR, TDES_CR_SWRST);