2017-09-02 1:14 GMT+08:00 Paolo Valente <paolo.valente@xxxxxxxxxx>: > >> Il giorno 30 ago 2017, alle ore 20:42, Bart Van Assche <bart.vanassche@xxxxxxx> ha scritto: >> >> Make sysfs writes fail for invalid numbers instead of storing >> uninitialized data copied from the stack. This patch removes >> all uninitialized_var() occurrences from the BFQ source code. >> >> Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxx> >> Cc: Paolo Valente <paolo.valente@xxxxxxxxxx> > > Acked-by: Paolo Valente <paolo.valente@xxxxxxxxxx> > Hi Bart, how about using simple_strtoul which was used in cfq/mq-iosched.c *var = simple_strtoul(p, &p, 10); if invalid string came from sysfs, this function just return 0, and there are validations after every calling bfq_var_store. Thanks
