Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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>
authored by
Miloslav Trmac
and committed by
Dmitry Torokhov
c28c3583
ebbac7dd
+3
-3
drivers/input/misc/wistron_btns.c
+3
-3
drivers/input/misc/wistron_btns.c
···
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preempt_enable();
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}
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95
-
static size_t __init locate_wistron_bios(void __iomem *base)
96
{
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static const unsigned char __initdata signature[] =
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{ 0x42, 0x21, 0x55, 0x30 };
99
-
size_t offset;
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for (offset = 0; offset < 0x10000; offset += 0x10) {
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if (check_signature(base + offset, signature,
···
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static int __init map_bios(void)
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{
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void __iomem *base;
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-
size_t offset;
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u32 entry_point;
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base = ioremap(0xF0000, 0x10000); /* Can't fail */
···
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preempt_enable();
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}
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+
static ssize_t __init locate_wistron_bios(void __iomem *base)
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{
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static const unsigned char __initdata signature[] =
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{ 0x42, 0x21, 0x55, 0x30 };
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+
ssize_t offset;
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for (offset = 0; offset < 0x10000; offset += 0x10) {
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if (check_signature(base + offset, signature,
···
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static int __init map_bios(void)
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{
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void __iomem *base;
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+
ssize_t offset;
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u32 entry_point;
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base = ioremap(0xF0000, 0x10000); /* Can't fail */