The patch titled
Subject: lib/bitmap: convert infinite while loop to a for loop
has been added to the -mm tree. Its filename is
lib-fix-bitmap_parse-on-64-bit-big-endian-archs-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/lib-fix-bitmap_parse-on-64-bit-big-endian-archs-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/lib-fix-bitmap_parse-on-64-bit-big-endian-archs-fix.patch
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From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Subject: lib/bitmap: convert infinite while loop to a for loop
Convert infinite while loop to a for loop in order to be more explicit in
one place what we are doing with chunks.
Link: http://lkml.kernel.org/r/20200609140535.87160-1-andriy.shevchenko@xxxxxxxxxxxxxxx
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Reviewed-by: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>
Cc: Yury Norov <yury.norov@xxxxxxxxx>
Cc: Amritha Nambiar <amritha.nambiar@xxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Miklos Szeredi <mszeredi@xxxxxxxxxx>
Cc: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
Cc: Steffen Klassert <steffen.klassert@xxxxxxxxxxx>
Cc: "Tobin C . Harding" <tobin@xxxxxxxxxx>
Cc: Vineet Gupta <vineet.gupta1@xxxxxxxxxxxx>
Cc: Will Deacon <will.deacon@xxxxxxx>
Cc: Willem de Bruijn <willemb@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/bitmap.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
--- a/lib/bitmap.c~lib-fix-bitmap_parse-on-64-bit-big-endian-archs-fix
+++ a/lib/bitmap.c
@@ -740,10 +740,10 @@ int bitmap_parse(const char *start, unsi
const char *end = strnchrnul(start, buflen, '\n') - 1;
int chunks = BITS_TO_U32(nmaskbits);
u32 *bitmap = (u32 *)maskp;
- int chunk = 0;
int unset_bit;
+ int chunk;
- while (1) {
+ for (chunk = 0; ; chunk++) {
end = bitmap_find_region_reverse(start, end);
if (start > end)
break;
@@ -758,7 +758,6 @@ int bitmap_parse(const char *start, unsi
#endif
if (IS_ERR(end))
return PTR_ERR(end);
- chunk++;
}
unset_bit = (BITS_TO_U32(nmaskbits) - chunks) * 32;
_
Patches currently in -mm which might be from andriy.shevchenko@xxxxxxxxxxxxxxx are
lib-fix-bitmap_parse-on-64-bit-big-endian-archs-fix.patch
