From: Randy Dunlap <rdunlap@xenotime.net>
Date: Tue, 17 May 2005 04:53:56 +0000 (-0700)
Subject: [PATCH] pcmcia/ds: handle any error code
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=afbf510d47c4009f5d67ec3c0e0b45eb0441bca3;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

[PATCH] pcmcia/ds: handle any error code

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

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

diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 66150d08b5c7..c4ade288c5da 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -1592,9 +1592,9 @@ static int __init init_pcmcia_bus(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;