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Subject[patch 03/71] i2c-dev: Return correct error code on class_create() failure

2.6.26-stable review patch. If anyone has any objections, please let us
know.

------------------
From: Sven Wegener <sven.wegener@stealer.net>

In Linus' tree:
http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git;a=commit;h=e74783ec3cb981211689bd2cfd3248f8dc48ec01

We need to convert the error pointer from class_create(), else we'll return the
successful return code from register_chrdev() on failure.

Signed-off-by: Sven Wegener <sven.wegener@stealer.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
drivers/i2c/i2c-dev.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/i2c/i2c-dev.c
+++ b/drivers/i2c/i2c-dev.c
@@ -581,8 +581,10 @@ static int __init i2c_dev_init(void)
goto out;

i2c_dev_class = class_create(THIS_MODULE, "i2c-dev");
- if (IS_ERR(i2c_dev_class))
+ if (IS_ERR(i2c_dev_class)) {
+ res = PTR_ERR(i2c_dev_class);
goto out_unreg_chrdev;
+ }

res = i2c_add_driver(&i2cdev_driver);
if (res)
--


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