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ACPI / debugger: remove some unneeded conditions

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"count" is unsigned so checking for less than zero here causes a static
checker warning.  And really it's better to let the access_ok() check
fail if the user passes in a NULL "buf" pointer because -EFAULT is the
correct error code.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Dan Carpenter 2015-12-24 10:23:03 +03:00 committed by Rafael J. Wysocki
parent 73af2d590a
commit 436db5ce0d
1 changed files with 0 additions and 4 deletions
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4
drivers/acpi/acpi_dbg.c
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@ -610,8 +610,6 @@ static ssize_t acpi_aml_read(struct file *file, char __user *buf,
int ret = 0;
int size = 0;
if (!buf || count < 0)
return -EINVAL;
if (!count)
return 0;
if (!access_ok(VERIFY_WRITE, buf, count))
@ -681,8 +679,6 @@ static ssize_t acpi_aml_write(struct file *file, const char __user *buf,
int ret = 0;
int size = 0;
if (!buf || count < 0)
return -EINVAL;
if (!count)
return 0;
if (!access_ok(VERIFY_READ, buf, count))