crypto: omap-aes - don't treat NULL clk as an error
clk_get() returns a struct clk cookie to the driver and some platforms
may return NULL if they only support a single clock. clk_get() has only
failed if it returns a ERR_PTR() encoded pointer.
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Reviewed-and-tested-by: Tobias Karnat <tobias.karnat@googlemail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/drivers/crypto/omap-aes.c b/drivers/crypto/omap-aes.c
index add2a1a..5b970d9e 100644
--- a/drivers/crypto/omap-aes.c
+++ b/drivers/crypto/omap-aes.c
@@ -839,9 +839,9 @@
/* Initializing the clock */
dd->iclk = clk_get(dev, "ick");
- if (!dd->iclk) {
+ if (IS_ERR(dd->iclk)) {
dev_err(dev, "clock intialization failed.\n");
- err = -ENODEV;
+ err = PTR_ERR(dd->iclk);
goto err_res;
}