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authorWolfram Sang <wsa@the-dreams.de>2016-03-14 10:41:52 +0100
committerWolfram Sang <wsa@the-dreams.de>2016-03-14 18:17:25 +0100
commitb980a26d02d1f54be31346666222304fcd27ea33 (patch)
tree315d6c0f33ca6d0eae6f8eda2610d26cde4883e8 /drivers/i2c/i2c-core.c
parenti2c: i801: sort IDs alphabetically (diff)
downloadwireguard-linux-b980a26d02d1f54be31346666222304fcd27ea33.tar.xz
wireguard-linux-b980a26d02d1f54be31346666222304fcd27ea33.zip
i2c: immediately mark ourselves as registered
Mark the i2c bus as registered right after the the bus_register call, not at the end of init. Otherwise, we can't register our own dummy driver. Reported-by: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Fixes: 95026658c46ea2 ("i2c: do not use internal data from driver core")
Diffstat (limited to 'drivers/i2c/i2c-core.c')
-rw-r--r--drivers/i2c/i2c-core.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index f4726cdbb06a..0f2f8484e8ec 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -2105,6 +2105,9 @@ static int __init i2c_init(void)
retval = bus_register(&i2c_bus_type);
if (retval)
return retval;
+
+ is_registered = true;
+
#ifdef CONFIG_I2C_COMPAT
i2c_adapter_compat_class = class_compat_register("i2c-adapter");
if (!i2c_adapter_compat_class) {
@@ -2119,7 +2122,6 @@ static int __init i2c_init(void)
if (IS_ENABLED(CONFIG_OF_DYNAMIC))
WARN_ON(of_reconfig_notifier_register(&i2c_of_notifier));
- is_registered = true;
return 0;
class_err:
@@ -2127,6 +2129,7 @@ class_err:
class_compat_unregister(i2c_adapter_compat_class);
bus_err:
#endif
+ is_registered = false;
bus_unregister(&i2c_bus_type);
return retval;
}