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| author | Krzysztof Kozlowski <k.kozlowski@samsung.com> | 2014-02-11 11:03:35 +0100 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2014-03-19 08:58:09 +0000 |
| commit | ed26f87b9f71693a1d1ee85f5e6209601505080f (patch) | |
| tree | 91d4478953590fc3704adaf2c4ad1e02dc9a5de7 /drivers/mfd/max8925-i2c.c | |
| parent | b9e183a1d495cd65412abe0f9df19b151716bfe7 (diff) | |
| download | blackbird-obmc-linux-ed26f87b9f71693a1d1ee85f5e6209601505080f.tar.gz blackbird-obmc-linux-ed26f87b9f71693a1d1ee85f5e6209601505080f.zip | |
mfd: max8998: Fix possible NULL pointer dereference on i2c_new_dummy error
During probe the driver allocates dummy I2C device for RTC with i2c_new_dummy() but it does not check the return value of this call.
In case of error (i2c_new_device(): memory allocation failure or I2C
address cannot be used) this function returns NULL which is later used
by i2c_unregister_device().
If i2c_new_dummy() fails for RTC device, fail also the probe for
main MFD driver.
Cc: stable@vger.kernel.org
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/mfd/max8925-i2c.c')
0 files changed, 0 insertions, 0 deletions
