diff options
| author | Binoy Jayan | 2017-06-08 12:07:31 +0200 |
|---|---|---|
| committer | Martin K. Petersen | 2017-06-13 03:17:22 +0200 |
| commit | 249cf320bd5dd3490252cb9f3cdef41f7d1caacc (patch) | |
| tree | eddce6a8756bb0d7e902e87dae13292f220b3c36 /drivers/scsi/esas2r/esas2r_ioctl.c | |
| parent | scsi: esas2r: Replace semaphore fm_api_semaphore with mutex (diff) | |
| download | kernel-qcow2-linux-249cf320bd5dd3490252cb9f3cdef41f7d1caacc.tar.gz kernel-qcow2-linux-249cf320bd5dd3490252cb9f3cdef41f7d1caacc.tar.xz kernel-qcow2-linux-249cf320bd5dd3490252cb9f3cdef41f7d1caacc.zip | |
scsi: esas2r: Replace semaphore fs_api_semaphore with mutex
The semaphore 'fs_api_semaphore' is used as a simple mutex, so it should
be written as one. Semaphores are going away in the future.
Signed-off-by: Binoy Jayan <binoy.jayan@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/esas2r/esas2r_ioctl.c')
| -rw-r--r-- | drivers/scsi/esas2r/esas2r_ioctl.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/scsi/esas2r/esas2r_ioctl.c b/drivers/scsi/esas2r/esas2r_ioctl.c index c6b041a9f007..97623002908f 100644 --- a/drivers/scsi/esas2r/esas2r_ioctl.c +++ b/drivers/scsi/esas2r/esas2r_ioctl.c @@ -1962,7 +1962,7 @@ int esas2r_read_fs(struct esas2r_adapter *a, char *buf, long off, int count) (struct esas2r_ioctl_fs *)a->fs_api_buffer; /* If another flash request is already in progress, return. */ - if (down_interruptible(&a->fs_api_semaphore)) { + if (mutex_lock_interruptible(&a->fs_api_mutex)) { busy: fs->status = ATTO_STS_OUT_OF_RSRC; return -EBUSY; @@ -1978,7 +1978,7 @@ busy: rq = esas2r_alloc_request(a); if (rq == NULL) { esas2r_debug("esas2r_read_fs: out of requests"); - up(&a->fs_api_semaphore); + mutex_unlock(&a->fs_api_mutex); goto busy; } @@ -2006,7 +2006,7 @@ busy: ; dont_wait: /* Free the request and keep going */ - up(&a->fs_api_semaphore); + mutex_unlock(&a->fs_api_mutex); esas2r_free_request(a, (struct esas2r_request *)rq); /* Pick up possible error code from above */ |