[PATCH] IDE core: driver layer error checking

Check driver layer return values in IDE core.

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 8c3f06242280..97b162ca9885 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -1997,10 +1997,16 @@ EXPORT_SYMBOL_GPL(ide_bus_type);
  */
 static int __init ide_init(void)
 {
+        int ret;
+
         printk(KERN_INFO "Uniform Multi-Platform E-IDE driver " REVISION "\n");
         system_bus_speed = ide_system_bus_speed();
 
-        bus_register(&ide_bus_type);
+        ret = bus_register(&ide_bus_type);
+        if (ret < 0) {
+                printk(KERN_WARNING "IDE: bus_register error: %d\n", ret);
+                return ret;
+        }
 
         init_ide_data();