diff options
Diffstat (limited to 'drivers/s390/char/tape_core.c')
-rw-r--r-- | drivers/s390/char/tape_core.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c index c6fab5dbdd4..389ee2c0f44 100644 --- a/drivers/s390/char/tape_core.c +++ b/drivers/s390/char/tape_core.c @@ -453,16 +453,14 @@ tape_alloc_device(void) { struct tape_device *device; - device = (struct tape_device *) - kmalloc(sizeof(struct tape_device), GFP_KERNEL); + device = kzalloc(sizeof(struct tape_device), GFP_KERNEL); if (device == NULL) { DBF_EXCEPTION(2, "ti:no mem\n"); PRINT_INFO ("can't allocate memory for " "tape info structure\n"); return ERR_PTR(-ENOMEM); } - memset(device, 0, sizeof(struct tape_device)); - device->modeset_byte = (char *) kmalloc(1, GFP_KERNEL | GFP_DMA); + device->modeset_byte = kmalloc(1, GFP_KERNEL | GFP_DMA); if (device->modeset_byte == NULL) { DBF_EXCEPTION(2, "ti:no mem\n"); PRINT_INFO("can't allocate memory for modeset byte\n"); @@ -659,34 +657,30 @@ tape_alloc_request(int cplength, int datasize) DBF_LH(6, "tape_alloc_request(%d, %d)\n", cplength, datasize); - request = (struct tape_request *) kmalloc(sizeof(struct tape_request), - GFP_KERNEL); + request = kzalloc(sizeof(struct tape_request), GFP_KERNEL); if (request == NULL) { DBF_EXCEPTION(1, "cqra nomem\n"); return ERR_PTR(-ENOMEM); } - memset(request, 0, sizeof(struct tape_request)); /* allocate channel program */ if (cplength > 0) { - request->cpaddr = kmalloc(cplength*sizeof(struct ccw1), + request->cpaddr = kcalloc(cplength, sizeof(struct ccw1), GFP_ATOMIC | GFP_DMA); if (request->cpaddr == NULL) { DBF_EXCEPTION(1, "cqra nomem\n"); kfree(request); return ERR_PTR(-ENOMEM); } - memset(request->cpaddr, 0, cplength*sizeof(struct ccw1)); } /* alloc small kernel buffer */ if (datasize > 0) { - request->cpdata = kmalloc(datasize, GFP_KERNEL | GFP_DMA); + request->cpdata = kzalloc(datasize, GFP_KERNEL | GFP_DMA); if (request->cpdata == NULL) { DBF_EXCEPTION(1, "cqra nomem\n"); kfree(request->cpaddr); kfree(request); return ERR_PTR(-ENOMEM); } - memset(request->cpdata, 0, datasize); } DBF_LH(6, "New request %p(%p/%p)\n", request, request->cpaddr, request->cpdata); |