diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-06-01 10:01:03 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-06-01 10:01:39 +0200 |
| commit | 23db9f430be9325a861c7762c1ffadad9ca528a8 (patch) | |
| tree | 1ebb681611c96f17aa4f96e28d6923824a8b210f /drivers/base/driver.c | |
| parent | 27b9613b7be39412775d0ab80f57229aa73bb07d (diff) | |
| parent | 3218911f839b6c85acbf872ad264ea69aa4d89ad (diff) | |
Merge branch 'linus' into perfcounters/core
Merge reason: merge almost-rc8 into perfcounters/core, which was -rc6
based - to pick up the latest upstream fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/base/driver.c')
| -rw-r--r-- | drivers/base/driver.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/base/driver.c b/drivers/base/driver.c index c51f11bb29a..8ae0f63602e 100644 --- a/drivers/base/driver.c +++ b/drivers/base/driver.c @@ -257,6 +257,10 @@ EXPORT_SYMBOL_GPL(driver_register); */ void driver_unregister(struct device_driver *drv) { + if (!drv || !drv->p) { + WARN(1, "Unexpected driver unregister!\n"); + return; + } driver_remove_groups(drv, drv->groups); bus_remove_driver(drv); } |