From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Wed, 9 May 2007 09:33:31 +0000 (-0700)
Subject: cm4000_cs: fix error paths
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=54493c10069741a02cd34c2b44a6bfdb85e7de6a;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

cm4000_cs: fix error paths

This patch fixes error paths in module_init and probe functions in cm4000_cs
and cm4040_cs drivers.

Cc: Harald Welte <laforge@gnumonks.org>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c
index e91b43a014b0..8cbc64fe0feb 100644
--- a/drivers/char/pcmcia/cm4000_cs.c
+++ b/drivers/char/pcmcia/cm4000_cs.c
@@ -1881,8 +1881,11 @@ static int cm4000_probe(struct pcmcia_device *link)
 	init_waitqueue_head(&dev->readq);
 
 	ret = cm4000_config(link, i);
-	if (ret)
+	if (ret) {
+		dev_table[i] = NULL;
+		kfree(dev);
 		return ret;
+	}
 
 	class_device_create(cmm_class, NULL, MKDEV(major, i), NULL,
 			    "cmm%d", i);
@@ -1907,7 +1910,7 @@ static void cm4000_detach(struct pcmcia_device *link)
 	cm4000_release(link);
 
 	dev_table[devno] = NULL;
- 	kfree(dev);
+	kfree(dev);
 
 	class_device_destroy(cmm_class, MKDEV(major, devno));
 
@@ -1956,12 +1959,14 @@ static int __init cmm_init(void)
 	if (major < 0) {
 		printk(KERN_WARNING MODULE_NAME
 			": could not get major number\n");
+		class_destroy(cmm_class);
 		return major;
 	}
 
 	rc = pcmcia_register_driver(&cm4000_driver);
 	if (rc < 0) {
 		unregister_chrdev(major, DEVICE_NAME);
+		class_destroy(cmm_class);
 		return rc;
 	}
 
diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c
index f2e4ec4fd407..af88181a17f4 100644
--- a/drivers/char/pcmcia/cm4040_cs.c
+++ b/drivers/char/pcmcia/cm4040_cs.c
@@ -636,8 +636,11 @@ static int reader_probe(struct pcmcia_device *link)
 	setup_timer(&dev->poll_timer, cm4040_do_poll, 0);
 
 	ret = reader_config(link, i);
-	if (ret)
+	if (ret) {
+		dev_table[i] = NULL;
+		kfree(dev);
 		return ret;
+	}
 
 	class_device_create(cmx_class, NULL, MKDEV(major, i), NULL,
 			    "cmx%d", i);
@@ -708,12 +711,14 @@ static int __init cm4040_init(void)
 	if (major < 0) {
 		printk(KERN_WARNING MODULE_NAME
 			": could not get major number\n");
+		class_destroy(cmx_class);
 		return major;
 	}
 
 	rc = pcmcia_register_driver(&reader_driver);
 	if (rc < 0) {
 		unregister_chrdev(major, DEVICE_NAME);
+		class_destroy(cmx_class);
 		return rc;
 	}