diff options
Diffstat (limited to 'drivers/staging/spectra/ffsport.c')
-rw-r--r-- | drivers/staging/spectra/ffsport.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/staging/spectra/ffsport.c b/drivers/staging/spectra/ffsport.c index fa21a0f..c7932da 100644 --- a/drivers/staging/spectra/ffsport.c +++ b/drivers/staging/spectra/ffsport.c @@ -27,7 +27,6 @@ #include <linux/kthread.h> #include <linux/log2.h> #include <linux/init.h> -#include <linux/smp_lock.h> #include <linux/slab.h> /**** Helper functions used for Div, Remainder operation on u64 ****/ @@ -590,14 +589,16 @@ int GLOB_SBD_ioctl(struct block_device *bdev, fmode_t mode, return -ENOTTY; } +static DEFINE_MUTEX(ffsport_mutex); + int GLOB_SBD_unlocked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg) { int ret; - lock_kernel(); + mutex_lock(&ffsport_mutex); ret = GLOB_SBD_ioctl(bdev, mode, cmd, arg); - unlock_kernel(); + mutex_unlock(&ffsport_mutex); return ret; } |