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authorVarun Wadekar <vwadekar@nvidia.com>2011-06-07 19:27:52 +0530
committerRohan Somvanshi <rsomvanshi@nvidia.com>2011-06-10 05:40:30 -0700
commitf69d9be1947af12d634bf6a8da4fd44bdf58193d (patch)
tree68cb569086d5d9dc9d73a9fedd5b72fe48872c8f
parent9ee039ab788b4e3b29d3168ba773829e2505b911 (diff)
crypto: tegra-aes: validate clk_get return values
instead of checking for NULL, IS_ERR() should be used to check the validity of a clock handle Change-Id: Ic0ef30c64f4bd95995dcde048cd7630e2d75cd92 Signed-off-by: Varun Wadekar <vwadekar@nvidia.com> Reviewed-on: http://git-master/r/35619 Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
-rw-r--r--drivers/crypto/tegra-aes.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/crypto/tegra-aes.c b/drivers/crypto/tegra-aes.c
index 3d1bf4f93d23..21461172171c 100644
--- a/drivers/crypto/tegra-aes.c
+++ b/drivers/crypto/tegra-aes.c
@@ -1134,29 +1134,29 @@ static int tegra_aes_probe(struct platform_device *pdev)
dd->bsea.res_id = TEGRA_ARB_BSEA;
dd->bsev.pclk = clk_get(dev, "bsev");
- if (!dd->bsev.pclk) {
- dev_err(dev, "pclock intialization failed.\n");
+ if (IS_ERR(dd->bsev.pclk)) {
+ dev_err(dev, "v: pclock intialization failed.\n");
err = -ENODEV;
goto out;
}
dd->bsev.iclk = clk_get(dev, "vde");
- if (!dd->bsev.iclk) {
- dev_err(dev, "iclock intialization failed.\n");
+ if (IS_ERR(dd->bsev.iclk)) {
+ dev_err(dev, "v: iclock intialization failed.\n");
err = -ENODEV;
goto out;
}
dd->bsea.pclk = clk_get(dev, "bsea");
- if (!dd->bsea.pclk) {
- dev_err(dev, "pclock intialization failed.\n");
+ if (IS_ERR(dd->bsea.pclk)) {
+ dev_err(dev, "a: pclock intialization failed.\n");
err = -ENODEV;
goto out;
}
dd->bsea.iclk = clk_get(dev, "sclk");
- if (!dd->bsea.iclk) {
- dev_err(dev, "iclock intialization failed.\n");
+ if (IS_ERR(dd->bsea.iclk)) {
+ dev_err(dev, "a: iclock intialization failed.\n");
err = -ENODEV;
goto out;
}