mempolicy: lose unnecessary loop variable in mpol_parse_str()
We don't really need the extra variable 'i' in mpol_parse_str(). The only
use is as the the loop variable. Then, it's assigned to 'mode'. Just use
mode, and loose the 'uninitialized_var()' macro.
Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Cc: Ravikiran Thirumalai <kiran@scalex86.org>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 0e1b293..b4f1265 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -2148,12 +2148,11 @@
int mpol_parse_str(char *str, struct mempolicy **mpol, int no_context)
{
struct mempolicy *new = NULL;
- unsigned short uninitialized_var(mode);
+ unsigned short mode;
unsigned short uninitialized_var(mode_flags);
nodemask_t nodes;
char *nodelist = strchr(str, ':');
char *flags = strchr(str, '=');
- int i;
int err = 1;
if (nodelist) {
@@ -2169,13 +2168,12 @@
if (flags)
*flags++ = '\0'; /* terminate mode string */
- for (i = 0; i <= MPOL_LOCAL; i++) {
- if (!strcmp(str, policy_types[i])) {
- mode = i;
+ for (mode = 0; mode <= MPOL_LOCAL; mode++) {
+ if (!strcmp(str, policy_types[mode])) {
break;
}
}
- if (i > MPOL_LOCAL)
+ if (mode > MPOL_LOCAL)
goto out;
switch (mode) {