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authorLinus Torvalds <torvalds@linux-foundation.org>2016-11-05 15:30:12 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-11-05 15:30:12 -0700
commitbd060ac0f6b3442317b4f1d7ea0ff2c9b3d977a0 (patch)
tree846c8ffc8ec147365f496b6942e0cb16f3b70a1b
parentffbcbfca846ed117e3d4009acfbf1e1590c56b2f (diff)
parent147b36d5b70c083cc76770c47d60b347e8eaf231 (diff)
Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fix from Wolfram Sang: "A bugfix for the I2C core fixing a (rare) race condition" * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: core: fix NULL pointer dereference under race condition
-rw-r--r--drivers/i2c/i2c-core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 1704fc84d647..b432b64e307a 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -2179,6 +2179,7 @@ int i2c_register_driver(struct module *owner, struct i2c_driver *driver)
/* add the driver to the list of i2c drivers in the driver core */
driver->driver.owner = owner;
driver->driver.bus = &i2c_bus_type;
+ INIT_LIST_HEAD(&driver->clients);
/* When registration returns, the driver core
* will have called probe() for all matching-but-unbound devices.
@@ -2189,7 +2190,6 @@ int i2c_register_driver(struct module *owner, struct i2c_driver *driver)
pr_debug("driver [%s] registered\n", driver->driver.name);
- INIT_LIST_HEAD(&driver->clients);
/* Walk the adapters that are already present */
i2c_for_each_dev(driver, __process_new_driver);