Messages in this thread Patch in this message | | | From | Cyril Roelandt <> | Subject | [PATCH] acpi_system_write_wakeup_device(): fix error check for unsigned variable. | Date | Sat, 17 Nov 2012 02:54:23 +0100 |
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The LEN variable is unsigned, therefore checking whether it is less than 0 is useless.
Signed-off-by: Cyril Roelandt <tipecaml@gmail.com> --- drivers/acpi/proc.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/drivers/acpi/proc.c b/drivers/acpi/proc.c index 27adb09..37871a7 100644 --- a/drivers/acpi/proc.c +++ b/drivers/acpi/proc.c @@ -366,8 +366,6 @@ acpi_system_write_wakeup_device(struct file *file, if (len > 4) len = 4; - if (len < 0) - return -EFAULT; if (copy_from_user(strbuf, buffer, len)) return -EFAULT; -- 1.7.10.4
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