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| author | Arnd Bergmann <arnd@arndb.de> | 2008-05-20 19:16:29 +0200 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2008-07-02 15:06:24 -0600 |
| commit | 7bcc3209be82d69361a944c57caeb548b35c7f04 (patch) | |
| tree | 0f902d364c7b16a5d8ca14c6ab59ec14870cee46 /drivers/sbus | |
| parent | b7fdf9fdd6457c9ed02099fe82bab92b0b3e291b (diff) | |
| download | lwn-7bcc3209be82d69361a944c57caeb548b35c7f04.tar.gz lwn-7bcc3209be82d69361a944c57caeb548b35c7f04.zip | |
openprom: BKL pushdown
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/sbus')
| -rw-r--r-- | drivers/sbus/char/openprom.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/sbus/char/openprom.c b/drivers/sbus/char/openprom.c index fbfeb89a6f32..29dc735e1a20 100644 --- a/drivers/sbus/char/openprom.c +++ b/drivers/sbus/char/openprom.c @@ -33,6 +33,7 @@ #include <linux/kernel.h> #include <linux/errno.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <linux/string.h> #include <linux/miscdevice.h> #include <linux/init.h> @@ -689,9 +690,11 @@ static int openprom_open(struct inode * inode, struct file * file) if (!data) return -ENOMEM; + lock_kernel(); data->current_node = of_find_node_by_path("/"); data->lastnode = data->current_node; file->private_data = (void *) data; + unlock_kernel(); return 0; } |