I just unearthed this old patch I did. I'm fairly certain I did
this in response to a bug where one of these functions went unchecked,
but I can't seem to find any reference of that bug any more.
Signed-off-by: Dave Jones <[email protected]>
--- linux-2.6.15.noarch/include/linux/bitmap.h~ 2006-02-17 14:05:18.000000000 -0500
+++ linux-2.6.15.noarch/include/linux/bitmap.h 2006-02-17 14:06:14.000000000 -0500
@@ -196,7 +196,7 @@ static inline void bitmap_complement(uns
__bitmap_complement(dst, src, nbits);
}
-static inline int bitmap_equal(const unsigned long *src1,
+static inline int __must_check bitmap_equal(const unsigned long *src1,
const unsigned long *src2, int nbits)
{
if (nbits <= BITS_PER_LONG)
@@ -205,7 +205,7 @@ static inline int bitmap_equal(const uns
return __bitmap_equal(src1, src2, nbits);
}
-static inline int bitmap_intersects(const unsigned long *src1,
+static inline int __must_check bitmap_intersects(const unsigned long *src1,
const unsigned long *src2, int nbits)
{
if (nbits <= BITS_PER_LONG)
@@ -214,7 +214,7 @@ static inline int bitmap_intersects(cons
return __bitmap_intersects(src1, src2, nbits);
}
-static inline int bitmap_subset(const unsigned long *src1,
+static inline int __must_check bitmap_subset(const unsigned long *src1,
const unsigned long *src2, int nbits)
{
if (nbits <= BITS_PER_LONG)
@@ -223,7 +223,7 @@ static inline int bitmap_subset(const un
return __bitmap_subset(src1, src2, nbits);
}
-static inline int bitmap_empty(const unsigned long *src, int nbits)
+static inline int __must_check bitmap_empty(const unsigned long *src, int nbits)
{
if (nbits <= BITS_PER_LONG)
return ! (*src & BITMAP_LAST_WORD_MASK(nbits));
@@ -231,7 +231,7 @@ static inline int bitmap_empty(const uns
return __bitmap_empty(src, nbits);
}
-static inline int bitmap_full(const unsigned long *src, int nbits)
+static inline int __must_check bitmap_full(const unsigned long *src, int nbits)
{
if (nbits <= BITS_PER_LONG)
return ! (~(*src) & BITMAP_LAST_WORD_MASK(nbits));
@@ -239,7 +239,7 @@ static inline int bitmap_full(const unsi
return __bitmap_full(src, nbits);
}
-static inline int bitmap_weight(const unsigned long *src, int nbits)
+static inline int __must_check bitmap_weight(const unsigned long *src, int nbits)
{
return __bitmap_weight(src, nbits);
}
--
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