crypto: atmel - Check for clk_prepare_enable() return value

[deliverable/linux.git] / drivers / crypto / atmel-aes.c

diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c
index 0f9a9dc06a830f4eb5f9669ba26df7c2f0a95077..de8f5da75a0f2be55eade4b614bd89cf85168536 100644 (file)
--- a/drivers/crypto/atmel-aes.c
+++ b/drivers/crypto/atmel-aes.c
@@ -260,7 +260,11 @@ static struct atmel_aes_dev *atmel_aes_find_dev(struct atmel_aes_ctx *ctx)
 
 static int atmel_aes_hw_init(struct atmel_aes_dev *dd)
 {
-       clk_prepare_enable(dd->iclk);
+       int err;
+
+       err = clk_prepare_enable(dd->iclk);
+       if (err)
+               return err;
 
        if (!(dd->flags & AES_FLAGS_INIT)) {
                atmel_aes_write(dd, AES_CR, AES_CR_SWRST);