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Wentao Liang
4a81f78caa
In the do_validate_mem(), the call to add_interval() does not
handle errors. If kmalloc() fails in add_interval(), it could
result in a null pointer being inserted into the linked list,
leading to illegal memory access when sub_interval() is called
next.
This patch adds an error handling for the add_interval(). If
add_interval() returns an error, the function will return early
with the error code.
Fixes: 7b4884ca88 ("pcmcia: validate late-added resources")
Signed-off-by: Wentao Liang <[email protected]>
Signed-off-by: Dominik Brodowski <[email protected]>