[PATCH] pcmcia: properly handle all errors of register_chrdev

register_chrdev() can return errors (negative) other then -EBUSY, so check
for any negative error code.

Signed-off-by: Randy Dunlap <[email protected]>
Signed-off-by: Dominik Brodowski <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c
index 3084d8a3ba411040321a9e085e374476eba512d9..b883bc151ed00f58b9be03c994974b7e2aaca0cb 100644 (file)
--- a/drivers/pcmcia/pcmcia_ioctl.c
+++ b/drivers/pcmcia/pcmcia_ioctl.c
@@ -760,9 +760,9 @@ void __init pcmcia_setup_ioctl(void) {
 
        /* Set up character device for user mode clients */
        i = register_chrdev(0, "pcmcia", &ds_fops);
-       if (i == -EBUSY)
+       if (i < 0)
                printk(KERN_NOTICE "unable to find a free device # for "
-                      "Driver Services\n");
+                      "Driver Services (error=%d)\n", i);
        else
                major_dev = i;