Messages in this thread Patch in this message | | | From | Rickard Strandqvist <> | Subject | [PATCH] i2c: busses: i2c-pxa.c: Fix for possible null pointer dereference | Date | Sat, 17 May 2014 19:14:08 +0200 |
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There is otherwise a risk of a possible null pointer dereference.
Was largely found by using a static code analysis program called cppcheck.
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se> --- drivers/i2c/busses/i2c-pxa.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c index bbe6dfb..dbe5ebe 100644 --- a/drivers/i2c/busses/i2c-pxa.c +++ b/drivers/i2c/busses/i2c-pxa.c @@ -1269,7 +1269,9 @@ eremap: eclk: kfree(i2c); emalloc: - release_mem_region(res->start, resource_size(res)); + if(res) { + release_mem_region(res->start, resource_size(res)); + } return ret; } -- 1.7.10.4
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