idr_remove_all: kill unused variable

"error" is always equal to 0.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/lib/idr.c b/lib/idr.c
index ffd6194..d0f1acd 100644 (file)
--- a/lib/idr.c
+++ b/lib/idr.c
@@ -405,7 +405,7 @@ EXPORT_SYMBOL(idr_remove);
  */
 void idr_remove_all(struct idr *idp)
 {
-       int n, id, max, error = 0;
+       int n, id, max;
        struct idr_layer *p;
        struct idr_layer *pa[MAX_LEVEL];
        struct idr_layer **paa = &pa[0];
@@ -415,7 +415,7 @@ void idr_remove_all(struct idr *idp)
        max = 1 << n;
 
        id = 0;
-       while (id < max && !error) {
+       while (id < max) {
                while (n > IDR_BITS && p) {
                        n -= IDR_BITS;
                        *paa++ = p;