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sony-laptop: fix a couple signedness bugs 

This needs to be signed to handle negative error codes.
Remove a redundant check, read_limits is always called with a valid
handle.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This commit is contained in:
Dan Carpenter 2012-06-09 13:18:14 +09:00 committed by Matthew Garrett
parent c7a2918373
commit 56f4a9f76d
1 changed files with 1 additions and 3 deletions
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4
drivers/platform/x86/sony-laptop.c
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@ -2139,7 +2139,7 @@ static ssize_t sony_nc_thermal_mode_show(struct device *dev,
struct device_attribute *attr, char *buffer) struct device_attribute *attr, char *buffer)
{ {
ssize_t count = 0; ssize_t count = 0;
unsigned int mode = sony_nc_thermal_mode_get(); int mode = sony_nc_thermal_mode_get();
if (mode < 0) if (mode < 0)
return mode; return mode;
@ -2507,8 +2507,6 @@ static void sony_nc_backlight_ng_read_limits(int handle,
props->maxlvl = 0xff; props->maxlvl = 0xff;
offset = sony_find_snc_handle(handle); offset = sony_find_snc_handle(handle);
if (offset < 0)
return;
/* try to read the boundaries from ACPI tables, if we fail the above /* try to read the boundaries from ACPI tables, if we fail the above
* defaults should be reasonable * defaults should be reasonable