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authorWolfram Sang <w.sang@pengutronix.de>2010-03-20 15:12:54 +0100
committerSamuel Ortiz <sameo@linux.intel.com>2010-05-28 01:37:28 +0200
commitf322d5f0097333343bfd92b47258ee997c889263 (patch)
treed6f0d4b0e0f6e6a8fa778a73c740916ca5616dd2 /drivers/mfd/wm8350-i2c.c
parentd84027bc4d176a0c06e8f62a9f7a002bdd444012 (diff)
mfd: Fix dangling pointers
Fix I2C-drivers which missed setting clientdata to NULL before freeing the structure it points to. Also fix drivers which do this _after_ the structure was freed already. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/mfd/wm8350-i2c.c')
-rw-r--r--drivers/mfd/wm8350-i2c.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/mfd/wm8350-i2c.c b/drivers/mfd/wm8350-i2c.c
index 65830f57c09..aa3ba0974ee 100644
--- a/drivers/mfd/wm8350-i2c.c
+++ b/drivers/mfd/wm8350-i2c.c
@@ -82,6 +82,7 @@ static int wm8350_i2c_probe(struct i2c_client *i2c,
return ret;
err:
+ i2c_set_clientdata(i2c, NULL);
kfree(wm8350);
return ret;
}
@@ -91,6 +92,7 @@ static int wm8350_i2c_remove(struct i2c_client *i2c)
struct wm8350 *wm8350 = i2c_get_clientdata(i2c);
wm8350_device_exit(wm8350);
+ i2c_set_clientdata(i2c, NULL);
kfree(wm8350);
return 0;