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/

Reply via email to