From: Lucas Stach <dev@lynxeye.de>
To: barebox@lists.infradead.org
Subject: [PATCH 13/14] clk: avoid possible NULL ptr deref
Date: Fri, 7 Feb 2014 09:48:55 +0100 [thread overview]
Message-ID: <1391762936-2747-14-git-send-email-dev@lynxeye.de> (raw)
In-Reply-To: <1391762936-2747-1-git-send-email-dev@lynxeye.de>
Signed-off-by: Lucas Stach <dev@lynxeye.de>
---
drivers/clk/clkdev.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/clk/clkdev.c b/drivers/clk/clkdev.c
index 66cd832..d9a1c21 100644
--- a/drivers/clk/clkdev.c
+++ b/drivers/clk/clkdev.c
@@ -179,9 +179,11 @@ struct clk *clk_get(struct device_d *dev, const char *con_id)
if (!IS_ERR(clk))
return clk;
- clk = of_clk_get_by_name(dev->device_node, con_id);
- if (!IS_ERR(clk))
- return clk;
+ if (dev) {
+ clk = of_clk_get_by_name(dev->device_node, con_id);
+ if (!IS_ERR(clk))
+ return clk;
+ }
return clk_get_sys(dev_id, con_id);
}
--
1.8.5.3
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next prev parent reply other threads:[~2014-02-07 8:49 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-07 8:48 [PATCH 00/14] Smatch warning fixups Lucas Stach
2014-02-07 8:48 ` [PATCH 01/14] remove redundant NULL check on free Lucas Stach
2014-02-07 8:48 ` [PATCH 02/14] commands: edit: properly propagate error code Lucas Stach
2014-02-07 8:48 ` [PATCH 03/14] common: env: " Lucas Stach
2014-02-07 8:48 ` [PATCH 04/14] clk: imx: unsigned mfn is never less than zero Lucas Stach
2014-02-07 8:48 ` [PATCH 05/14] lib: math: fix return path (numstack may be NULL) Lucas Stach
2014-02-07 8:48 ` [PATCH 06/14] lib: libbb: f should never be NULL Lucas Stach
2014-02-07 8:48 ` [PATCH 07/14] comamnds: uimage: actually print error message Lucas Stach
2014-02-07 9:22 ` Uwe Kleine-König
2014-02-07 8:48 ` [PATCH 08/14] usb: ulpi: fix logic-op Lucas Stach
2014-02-07 8:48 ` [PATCH 09/14] usb: dfu: fix error path to avoid NULL ptr deref Lucas Stach
2014-02-07 8:48 ` [PATCH 10/14] net: usb: smsc95xx: fix wrong phy reset condition Lucas Stach
2014-02-07 8:48 ` [PATCH 11/14] net: usb: asix: properly propagate error code Lucas Stach
2014-02-07 8:48 ` [PATCH 12/14] mtd: core: avoid possible NULL ptr deref Lucas Stach
2014-02-07 8:48 ` Lucas Stach [this message]
2014-02-07 8:48 ` [PATCH 14/14] don't cast negative error codes to unsigned size_t Lucas Stach
2014-02-07 9:17 ` Juergen Beisert
2014-02-10 7:51 ` [PATCH 00/14] Smatch warning fixups Sascha Hauer
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