diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2008-05-20 19:15:54 +0200 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2008-06-20 14:05:57 -0600 |
| commit | 78abb6ac919cee123e632d833a42d0312ccb2b0d (patch) | |
| tree | b968613b7f69e0f849989fe40a5ba541a537842d /drivers/sbus | |
| parent | 1d17bf0c08569e7aefd27df0179065fb955588c4 (diff) | |
| download | linux-3.10-78abb6ac919cee123e632d833a42d0312ccb2b0d.tar.gz linux-3.10-78abb6ac919cee123e632d833a42d0312ccb2b0d.tar.bz2 linux-3.10-78abb6ac919cee123e632d833a42d0312ccb2b0d.zip | |
flash: BKL pushdown
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/sbus')
| -rw-r--r-- | drivers/sbus/char/flash.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/sbus/char/flash.c b/drivers/sbus/char/flash.c index 44e039865aa..7d95e151513 100644 --- a/drivers/sbus/char/flash.c +++ b/drivers/sbus/char/flash.c @@ -127,9 +127,13 @@ flash_read(struct file * file, char __user * buf, static int flash_open(struct inode *inode, struct file *file) { - if (test_and_set_bit(0, (void *)&flash.busy) != 0) + lock_kernel(); + if (test_and_set_bit(0, (void *)&flash.busy) != 0) { + unlock_kernel(); return -EBUSY; + } + unlock_kernel(); return 0; } |