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authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>2011-08-26 11:55:46 +0100
committerMatthew Garrett <mjg@redhat.com>2011-10-24 16:52:39 +0200
commit21893ab24c78ec844cbaffbb7bf11b33cfdea8b4 (patch)
tree86aab2f5c007eb112331eb928ca9e802aee7bbf4 /drivers/platform
parent6cb8c13da10855f17110421d9b13db015e11840e (diff)
downloadlinux-21893ab24c78ec844cbaffbb7bf11b33cfdea8b4.tar.bz2
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>
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/x86/intel_scu_ipcutil.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/platform/x86/intel_scu_ipcutil.c b/drivers/platform/x86/intel_scu_ipcutil.c
index b93a03259c16..2d0f9136ea9a 100644
--- a/drivers/platform/x86/intel_scu_ipcutil.c
+++ b/drivers/platform/x86/intel_scu_ipcutil.c
@@ -24,7 +24,7 @@
#include <linux/init.h>
#include <asm/intel_scu_ipc.h>
-static u32 major;
+static int major;
#define MAX_FW_SIZE 264192
@@ -117,7 +117,11 @@ static const struct file_operations scu_ipc_fops = {
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)