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intel_scu_ipcutil: fix major device number handling 

We need to save major device number to be able to use it for
unregister_chrdev() in ipc_module_exit().

ipc_module_init() must return 0 on success, not major device number.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This commit is contained in:
Kirill A. Shutemov 2011-08-26 11:55:46 +01:00 committed by Matthew Garrett
parent 6cb8c13da1
commit 21893ab24c
1 changed files with 6 additions and 2 deletions
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8
drivers/platform/x86/intel_scu_ipcutil.c
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@ -24,7 +24,7 @@
#include <linux/init.h> #include <linux/init.h>
#include <asm/intel_scu_ipc.h> #include <asm/intel_scu_ipc.h>
static u32 major; static int major;
#define MAX_FW_SIZE 264192 #define MAX_FW_SIZE 264192
@ -117,7 +117,11 @@ static const struct file_operations scu_ipc_fops = {
static int __init ipc_module_init(void) static int __init ipc_module_init(void)
{ {
return register_chrdev(0, "intel_mid_scu", &scu_ipc_fops); major = register_chrdev(0, "intel_mid_scu", &scu_ipc_fops);
if (major < 0)
return major;
return 0;
} }
static void __exit ipc_module_exit(void) static void __exit ipc_module_exit(void)