[PATCH] work around gcc bug in bitmap.c

gcc miscompiles this. Scary.

[PATCH] work around gcc bug in bitmap.c
gcc miscompiles this. Scary.
0229cc25 · Andrew Morton · Linus Torvalds · 7685e7ed · 0229cc25
Commit 0229cc25 authored Jan 19, 2004 by Andrew Morton Committed by Linus Torvalds Jan 19, 2004
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lib/bitmap.c lib/bitmap.c +2 -1

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--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -51,8 +51,9 @@ EXPORT_SYMBOL(bitmap_equal);
 void bitmap_complement(unsigned long *bitmap, int bits)
 {
 	int k;
+	int nr = BITS_TO_LONGS(bits);
-	for (k = 0; k < BITS_TO_LONGS(bits); ++k)
+	for (k = 0; k < nr; ++k)
 		bitmap[k] = ~bitmap[k];
 }
 EXPORT_SYMBOL(bitmap_complement);