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| author | David Woodhouse <David.Woodhouse@intel.com> | 2008-09-01 11:32:13 +0100 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2008-09-01 11:32:13 +0100 |
| commit | 9d7548d4ca3c52ecb58f098a32b0756cdf8f96ee (patch) | |
| tree | 651f7058bbaa2d8b2855286380d614afcf505118 /drivers/base/class.c | |
| parent | 31db6e9ea1dbdcf66b8227b4f7035dee1b1dd8c0 (diff) | |
| parent | bef69ea0dcce574a425feb0a5aa4c63dd108b9a6 (diff) | |
| download | op-kernel-dev-9d7548d4ca3c52ecb58f098a32b0756cdf8f96ee.zip op-kernel-dev-9d7548d4ca3c52ecb58f098a32b0756cdf8f96ee.tar.gz | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/base/class.c')
| -rw-r--r-- | drivers/base/class.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/base/class.c b/drivers/base/class.c index 5667c2f..cc5e28c 100644 --- a/drivers/base/class.c +++ b/drivers/base/class.c @@ -295,6 +295,12 @@ int class_for_each_device(struct class *class, struct device *start, if (!class) return -EINVAL; + if (!class->p) { + WARN(1, "%s called for class '%s' before it was initialized", + __func__, class->name); + return -EINVAL; + } + mutex_lock(&class->p->class_mutex); list_for_each_entry(dev, &class->p->class_devices, node) { if (start) { @@ -344,6 +350,11 @@ struct device *class_find_device(struct class *class, struct device *start, if (!class) return NULL; + if (!class->p) { + WARN(1, "%s called for class '%s' before it was initialized", + __func__, class->name); + return NULL; + } mutex_lock(&class->p->class_mutex); list_for_each_entry(dev, &class->p->class_devices, node) { |
