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authorZhang Rui <rui.zhang@intel.com>2009-06-30 11:41:31 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-30 18:56:00 -0700
commit8bc1ad7dd301b7ca7454013519fa92e8c53655ff (patch)
tree602ec95fa99b0256370f3d887953cb30e159cc25 /kernel
parent529ba0d9669386157457a1cb96294d2fe79b3f88 (diff)
kernel/resource.c: fix sign extension in reserve_setup()
When the 32-bit signed quantities get assigned to the u64 resource_size_t, they are incorrectly sign-extended. Addresses http://bugzilla.kernel.org/show_bug.cgi?id=13253 Addresses http://bugzilla.kernel.org/show_bug.cgi?id=9905 Signed-off-by: Zhang Rui <rui.zhang@intel.com> Reported-by: Leann Ogasawara <leann@ubuntu.com> Cc: Pierre Ossman <drzeus@drzeus.cx> Reported-by: <pablomme@googlemail.com> Tested-by: <pablomme@googlemail.com> Cc: <stable@kernel.org> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/resource.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/resource.c b/kernel/resource.c
index ac5f3a36923f..78b087221c15 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -787,7 +787,7 @@ static int __init reserve_setup(char *str)
static struct resource reserve[MAXRESERVE];
for (;;) {
- int io_start, io_num;
+ unsigned int io_start, io_num;
int x = reserved;
if (get_option (&str, &io_start) != 2)