Message ID | 1402601042-15487-2-git-send-email-tim.gardner@canonical.com |
---|---|
State | New |
Headers | show |
On 06/12/2014 12:24 PM, Tim Gardner wrote: > From: Brian W Hart <hartb@linux.vnet.ibm.com> > > BugLink: http://bugs.launchpad.net/bugs/1321791 > > Silence the warning when building with -Wsign-compare when cpumask.h > is included: > > include/linux/cpumask.h: In function ‘cpumask_parse’: > include/linux/cpumask.h:603:26: warning: signed and unsigned type in conditional expression [-Wsign-compare] > int len = nl ? nl - buf : strlen(buf); > ^ > > V2: Rusty pointed out that unsigned should be used instead. > > Signed-off-by: Brian W Hart <hartb@linux.vnet.ibm.com> > Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> > (cherry picked from commit cea092c9488cbb22c8b70336ab1413e0daf350f0) > Signed-off-by: Tim Gardner <tim.gardner@canonical.com> > --- > include/linux/cpumask.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h > index d08e4d2..3557ea7 100644 > --- a/include/linux/cpumask.h > +++ b/include/linux/cpumask.h > @@ -600,7 +600,7 @@ static inline int cpulist_scnprintf(char *buf, int len, > static inline int cpumask_parse(const char *buf, struct cpumask *dstp) > { > char *nl = strchr(buf, '\n'); > - int len = nl ? nl - buf : strlen(buf); > + unsigned int len = nl ? (unsigned int)(nl - buf) : strlen(buf); > > return bitmap_parse(buf, len, cpumask_bits(dstp), nr_cpumask_bits); > } >
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h index d08e4d2..3557ea7 100644 --- a/include/linux/cpumask.h +++ b/include/linux/cpumask.h @@ -600,7 +600,7 @@ static inline int cpulist_scnprintf(char *buf, int len, static inline int cpumask_parse(const char *buf, struct cpumask *dstp) { char *nl = strchr(buf, '\n'); - int len = nl ? nl - buf : strlen(buf); + unsigned int len = nl ? (unsigned int)(nl - buf) : strlen(buf); return bitmap_parse(buf, len, cpumask_bits(dstp), nr_cpumask_bits); }