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Diffstat (limited to 'lib/find_next_bit.c')
-rw-r--r--lib/find_next_bit.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/lib/find_next_bit.c b/lib/find_next_bit.c
index 24c59ded47a..b0a8767282b 100644
--- a/lib/find_next_bit.c
+++ b/lib/find_next_bit.c
@@ -160,6 +160,7 @@ EXPORT_SYMBOL(find_first_zero_bit);
#endif /* CONFIG_GENERIC_FIND_FIRST_BIT */
#ifdef __BIG_ENDIAN
+#ifdef CONFIG_GENERIC_FIND_BIT_LE
/* include/linux/byteorder does not support "unsigned long" type */
static inline unsigned long ext2_swabp(const unsigned long * x)
@@ -185,15 +186,16 @@ static inline unsigned long ext2_swab(const unsigned long y)
#endif
}
-unsigned long generic_find_next_zero_le_bit(const unsigned long *addr, unsigned
+unsigned long find_next_zero_bit_le(const void *addr, unsigned
long size, unsigned long offset)
{
- const unsigned long *p = addr + BITOP_WORD(offset);
+ const unsigned long *p = addr;
unsigned long result = offset & ~(BITS_PER_LONG - 1);
unsigned long tmp;
if (offset >= size)
return size;
+ p += BITOP_WORD(offset);
size -= result;
offset &= (BITS_PER_LONG - 1UL);
if (offset) {
@@ -226,18 +228,18 @@ found_middle:
found_middle_swap:
return result + ffz(ext2_swab(tmp));
}
+EXPORT_SYMBOL(find_next_zero_bit_le);
-EXPORT_SYMBOL(generic_find_next_zero_le_bit);
-
-unsigned long generic_find_next_le_bit(const unsigned long *addr, unsigned
+unsigned long find_next_bit_le(const void *addr, unsigned
long size, unsigned long offset)
{
- const unsigned long *p = addr + BITOP_WORD(offset);
+ const unsigned long *p = addr;
unsigned long result = offset & ~(BITS_PER_LONG - 1);
unsigned long tmp;
if (offset >= size)
return size;
+ p += BITOP_WORD(offset);
size -= result;
offset &= (BITS_PER_LONG - 1UL);
if (offset) {
@@ -271,5 +273,7 @@ found_middle:
found_middle_swap:
return result + __ffs(ext2_swab(tmp));
}
-EXPORT_SYMBOL(generic_find_next_le_bit);
+EXPORT_SYMBOL(find_next_bit_le);
+
+#endif /* CONFIG_GENERIC_FIND_BIT_LE */
#endif /* __BIG_ENDIAN */