The patch titled
Subject: lib-rework-bitmap_parselist-v5
has been added to the -mm tree. Its filename is
lib-rework-bitmap_parselist-v5.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/lib-rework-bitmap_parselist-v5.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/lib-rework-bitmap_parselist-v5.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Yury Norov <ynorov@xxxxxxxxxxx>
Subject: lib-rework-bitmap_parselist-v5
Link: http://lkml.kernel.org/r/20190416063801.20134-3-ynorov@xxxxxxxxxxx
Signed-off-by: Yury Norov <ynorov@xxxxxxxxxxx>
Cc: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Mike Travis <travis@xxxxxxx>
Cc: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
Cc: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>
Cc: Yury Norov <yury.norov@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/bitmap.c | 23 ++++++++++-------------
1 file changed, 10 insertions(+), 13 deletions(-)
--- a/lib/bitmap.c~lib-rework-bitmap_parselist-v5
+++ a/lib/bitmap.c
@@ -20,6 +20,8 @@
#include <asm/page.h>
+#include "kstrtox.h"
+
/**
* DOC: bitmap introduction
*
@@ -515,22 +517,17 @@ static int bitmap_check_region(const str
static const char *bitmap_getnum(const char *str, unsigned int *num)
{
- unsigned int n = 0, _num = 0;
+ unsigned long long n;
+ unsigned int len;
- if (!isdigit(*str))
+ len = _parse_integer(str, 10, &n);
+ if (!len)
return ERR_PTR(-EINVAL);
+ if (len & KSTRTOX_OVERFLOW || n != (unsigned int)n)
+ return ERR_PTR(-EOVERFLOW);
- for (; isdigit(*str); str++) {
- _num = _num * 10 + (*str - '0');
- if (_num < n)
- return ERR_PTR(-EOVERFLOW);
-
- n = _num;
- }
-
- *num = _num;
-
- return str;
+ *num = n;
+ return str + len;
}
static inline bool end_of_str(char c)
_
Patches currently in -mm which might be from ynorov@xxxxxxxxxxx are
lib-rework-bitmap_parselist-v5.patch
lib-test_bitmap-add-testcases-for-bitmap_parselist-v5.patch
cpumask-fix-double-string-traverse-in-cpumask_parse.patch
