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path: root/drivers/staging/spectra/ffsport.c
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Diffstat (limited to 'drivers/staging/spectra/ffsport.c')
-rw-r--r--drivers/staging/spectra/ffsport.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/staging/spectra/ffsport.c b/drivers/staging/spectra/ffsport.c
index fa21a0fd8e8..c7932da03c5 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;
}