cw1200: Don't leak memory if krealloc failes
The call to krealloc() in wsm_buf_reserve() directly assigns the newly returned memory to buf->begin. This is all fine except when krealloc() failes we loose the ability to free the old memory pointed to by buf->begin. If we just create a temporary variable to assign memory to and assign the memory to it we can mitigate the memory leak. Signed-off-by:Johannes Thumshirn <jthumshirn@suse.de> Cc: Johannes Berg <johannes@sipsolutions.net> Signed-off-by:
Kalle Valo <kvalo@codeaurora.org>
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