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| author | Arnd Bergmann <arnd@arndb.de> | 2008-05-20 19:15:54 +0200 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2008-06-20 22:05:57 +0200 |
| commit | 78abb6ac919cee123e632d833a42d0312ccb2b0d (patch) | |
| tree | b968613b7f69e0f849989fe40a5ba541a537842d /drivers/sbus/char | |
| parent | envctrl: BKL pushdown (diff) | |
| download | linux-78abb6ac919cee123e632d833a42d0312ccb2b0d.tar.xz linux-78abb6ac919cee123e632d833a42d0312ccb2b0d.zip | |
flash: BKL pushdown
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/sbus/char')
| -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 44e039865aa9..7d95e151513a 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; } |