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authorKrzysztof Kozlowski <k.kozlowski@samsung.com>2014-03-21 13:18:17 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-05-06 07:59:36 -0700
commit66e23040261cce32af8011582b4af652bb022bf0 (patch)
treec4042011dfe29d8c0477613b4561fa2364e43d95 /drivers/clk
parente6713b5e477f4b3efda4faf1f4793acbdf722b06 (diff)
clk: s2mps11: Fix possible NULL pointer dereference
commit 238e14055da87d0d012257788e39fe0df3a82226 upstream. If parent device does not have of_node set the s2mps11_clk_parse_dt() returned NULL. This NULL was later passed to of_clk_add_provider() which dereferenced it in pr_debug() call. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/clk-s2mps11.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/clk/clk-s2mps11.c b/drivers/clk/clk-s2mps11.c
index 00a3abe103a..27c83e45eae 100644
--- a/drivers/clk/clk-s2mps11.c
+++ b/drivers/clk/clk-s2mps11.c
@@ -130,7 +130,7 @@ static struct device_node *s2mps11_clk_parse_dt(struct platform_device *pdev)
int i;
if (!iodev->dev->of_node)
- return NULL;
+ return ERR_PTR(-EINVAL);
clk_np = of_find_node_by_name(iodev->dev->of_node, "clocks");
if (!clk_np) {