On Wed, Apr 01, 2015 at 10:33:12AM +0000, Wang Nan wrote: > According to man pages of libunwind, unwind hooks should return > 'negative value of one of the unw_error_t error-codes', they are > different from generic error code. In addition, access_dso_mem() > returns '!(size == sizeof(*data))', compiler never ensure it is > negative when failure, which causes libunwind get undesire value > when accessing //anon memory. > > This patch fixes this problem by force returning negative value when > error, instead of returning 'ret' itself when it is non-zero.
hum, how about find_proc_info callback.. should it follow the same rules? thanks, jirka -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/