[S390] tape: remove unused/not handled return codes

Return codes are on purpose not handled or used. So remove them.

Acked-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c
index 22db252..a7d5707 100644 (file)
--- a/drivers/s390/char/tape_3590.c
+++ b/drivers/s390/char/tape_3590.c
@@ -1392,15 +1392,12 @@ tape_3590_print_era_msg(struct tape_device *device, struct irb *irb)
 static int tape_3590_crypt_error(struct tape_device *device,
                                 struct tape_request *request, struct irb *irb)
 {
-       u8 cu_rc, ekm_rc1;
+       u8 cu_rc;
        u16 ekm_rc2;
-       u32 drv_rc;
        char *sense;
 
        sense = ((struct tape_3590_sense *) irb->ecw)->fmt.data;
        cu_rc = sense[0];
-       drv_rc = *((u32*) &sense[5]) & 0xffffff;
-       ekm_rc1 = sense[9];
        ekm_rc2 = *((u16*) &sense[10]);
        if ((cu_rc == 0) && (ekm_rc2 == 0xee31))
                /* key not defined on EKM */

diff --git a/drivers/s390/char/tape_std.c b/drivers/s390/char/tape_std.c
index 3c3f342..e765017 100644 (file)
--- a/drivers/s390/char/tape_std.c
+++ b/drivers/s390/char/tape_std.c
@@ -564,7 +564,6 @@ int
 tape_std_mtreten(struct tape_device *device, int mt_count)
 {
        struct tape_request *request;
-       int rc;
 
        request = tape_alloc_request(4, 0);
        if (IS_ERR(request))
@@ -576,7 +575,7 @@ tape_std_mtreten(struct tape_device *device, int mt_count)
        tape_ccw_cc(request->cpaddr + 2, NOP, 0, NULL);
        tape_ccw_end(request->cpaddr + 3, CCW_CMD_TIC, 0, request->cpaddr);
        /* execute it, MTRETEN rc gets ignored */
-       rc = tape_do_io_interruptible(device, request);
+       tape_do_io_interruptible(device, request);
        tape_free_request(request);
        return tape_mtop(device, MTREW, 1);
 }