diff options
| author | Miloslav Trmac <mitr@volny.cz> | 2006-01-10 01:59:07 -0500 |
|---|---|---|
| committer | Dmitry Torokhov <dtor_core@ameritech.net> | 2006-01-10 01:59:07 -0500 |
| commit | c28c3583679c181a03910b6356228e99fcc27167 (patch) | |
| tree | e3c7db6f714a909511c52e4625d0f31ad513a5d0 /drivers/input/misc | |
| parent | ebbac7dde2f5c6b4bd219573f840d4b3952e6220 (diff) | |
Input: wistron - do not crash if BIOS does not support interface
offset can never be < 0 because it has type size_t. The driver
currently oopses on insmod if BIOS does not support the interface,
instead of refusing to load.
Signed-off-by: Miloslav Trmac <mitr@volny.cz>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/misc')
| -rw-r--r-- | drivers/input/misc/wistron_btns.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c index a05b8557842f..4b415d9b0123 100644 --- a/drivers/input/misc/wistron_btns.c +++ b/drivers/input/misc/wistron_btns.c @@ -92,11 +92,11 @@ static void call_bios(struct regs *regs) preempt_enable(); } -static size_t __init locate_wistron_bios(void __iomem *base) +static ssize_t __init locate_wistron_bios(void __iomem *base) { static const unsigned char __initdata signature[] = { 0x42, 0x21, 0x55, 0x30 }; - size_t offset; + ssize_t offset; for (offset = 0; offset < 0x10000; offset += 0x10) { if (check_signature(base + offset, signature, @@ -109,7 +109,7 @@ static size_t __init locate_wistron_bios(void __iomem *base) static int __init map_bios(void) { void __iomem *base; - size_t offset; + ssize_t offset; u32 entry_point; base = ioremap(0xF0000, 0x10000); /* Can't fail */ |