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Thermal/int340x: avoid unnecessary pointer casting 

Avoid pointer casting which may also lead to problems on big endian
64 bit systems.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This commit is contained in:
Jacob Pan 2014-11-04 15:53:34 -08:00 committed by Zhang Rui
parent 931b9c86d9
commit b81e5962af
1 changed files with 5 additions and 5 deletions
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10
drivers/thermal/int340x_thermal/acpi_thermal_rel.c
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@ -317,21 +317,21 @@ static long acpi_thermal_rel_ioctl(struct file *f, unsigned int cmd,
{ {
int ret = 0; int ret = 0;
unsigned long length = 0; unsigned long length = 0;
unsigned long count = 0; int count = 0;
char __user *arg = (void __user *)__arg; char __user *arg = (void __user *)__arg;
struct trt *trts; struct trt *trts;
struct art *arts; struct art *arts;
switch (cmd) { switch (cmd) {
case ACPI_THERMAL_GET_TRT_COUNT: case ACPI_THERMAL_GET_TRT_COUNT:
ret = acpi_parse_trt(acpi_thermal_rel_handle, (int *)&count, ret = acpi_parse_trt(acpi_thermal_rel_handle, &count,
&trts, false); &trts, false);
kfree(trts); kfree(trts);
if (!ret) if (!ret)
return put_user(count, (unsigned long __user *)__arg); return put_user(count, (unsigned long __user *)__arg);
return ret; return ret;
case ACPI_THERMAL_GET_TRT_LEN: case ACPI_THERMAL_GET_TRT_LEN:
ret = acpi_parse_trt(acpi_thermal_rel_handle, (int *)&count, ret = acpi_parse_trt(acpi_thermal_rel_handle, &count,
&trts, false); &trts, false);
kfree(trts); kfree(trts);
length = count * sizeof(union trt_object); length = count * sizeof(union trt_object);
@ -341,14 +341,14 @@ static long acpi_thermal_rel_ioctl(struct file *f, unsigned int cmd,
case ACPI_THERMAL_GET_TRT: case ACPI_THERMAL_GET_TRT:
return fill_trt(arg); return fill_trt(arg);
case ACPI_THERMAL_GET_ART_COUNT: case ACPI_THERMAL_GET_ART_COUNT:
ret = acpi_parse_art(acpi_thermal_rel_handle, (int *)&count, ret = acpi_parse_art(acpi_thermal_rel_handle, &count,
&arts, false); &arts, false);
kfree(arts); kfree(arts);
if (!ret) if (!ret)
return put_user(count, (unsigned long __user *)__arg); return put_user(count, (unsigned long __user *)__arg);
return ret; return ret;
case ACPI_THERMAL_GET_ART_LEN: case ACPI_THERMAL_GET_ART_LEN:
ret = acpi_parse_art(acpi_thermal_rel_handle, (int *)&count, ret = acpi_parse_art(acpi_thermal_rel_handle, &count,
&arts, false); &arts, false);
kfree(arts); kfree(arts);
length = count * sizeof(union art_object); length = count * sizeof(union art_object);