diff options
| author | Patrick McHardy <kaber@trash.net> | 2011-01-14 14:12:37 +0100 |
|---|---|---|
| committer | Patrick McHardy <kaber@trash.net> | 2011-01-14 14:12:37 +0100 |
| commit | 0134e89c7bcc9fde1da962c82a120691e185619f (patch) | |
| tree | 3e03335cf001019a2687d161e956de4f73379984 /drivers/i2c/i2c-core.c | |
| parent | c7066f70d9610df0b9406cc635fc09e86136e714 (diff) | |
| parent | 6faee60a4e82075853a437831768cc9e2e563e4e (diff) | |
Merge branch 'master' of git://1984.lsi.us.es/net-next-2.6
Conflicts:
net/ipv4/route.c
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'drivers/i2c/i2c-core.c')
| -rw-r--r-- | drivers/i2c/i2c-core.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index d231f683f57..6b4cc567645 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -848,6 +848,18 @@ static int i2c_register_adapter(struct i2c_adapter *adap) goto out_list; } + /* Sanity checks */ + if (unlikely(adap->name[0] == '\0')) { + pr_err("i2c-core: Attempt to register an adapter with " + "no name!\n"); + return -EINVAL; + } + if (unlikely(!adap->algo)) { + pr_err("i2c-core: Attempt to register adapter '%s' with " + "no algo!\n", adap->name); + return -EINVAL; + } + rt_mutex_init(&adap->bus_lock); mutex_init(&adap->userspace_clients_lock); INIT_LIST_HEAD(&adap->userspace_clients); |