svn commit: r303872 - head/sys/dev/tws

[Edward Tomasz Napierala]

Author: trasz
Date: Tue Aug  9 15:50:03 2016
New Revision: 303872
URL: https://svnweb.freebsd.org/changeset/base/303872

Log:
  Remove NULL checks after M_WAITOK allocations from tws(4).
  
  MFC after:	1 month

Modified:
  head/sys/dev/tws/tws.c

Modified: head/sys/dev/tws/tws.c
==============================================================================
--- head/sys/dev/tws/tws.c	Tue Aug  9 11:37:08 2016	(r303871)
+++ head/sys/dev/tws/tws.c	Tue Aug  9 15:50:03 2016	(r303872)
@@ -606,21 +606,9 @@ tws_init(struct tws_softc *sc)
 
     sc->reqs = malloc(sizeof(struct tws_request) * tws_queue_depth, M_TWS,
                       M_WAITOK | M_ZERO);
-    if ( sc->reqs == NULL ) {
-        TWS_TRACE_DEBUG(sc, "malloc failed", 0, sc->is64bit);
-        return(ENOMEM);
-    }
     sc->sense_bufs = malloc(sizeof(struct tws_sense) * tws_queue_depth, M_TWS,
                       M_WAITOK | M_ZERO);
-    if ( sc->sense_bufs == NULL ) {
-        TWS_TRACE_DEBUG(sc, "sense malloc failed", 0, sc->is64bit);
-        return(ENOMEM);
-    }
     sc->scan_ccb = malloc(sizeof(union ccb), M_TWS, M_WAITOK | M_ZERO);
-    if ( sc->scan_ccb == NULL ) {
-        TWS_TRACE_DEBUG(sc, "ccb malloc failed", 0, sc->is64bit);
-        return(ENOMEM);
-    }
     if (bus_dmamem_alloc(sc->data_tag, (void **)&sc->ioctl_data_mem,
             (BUS_DMA_NOWAIT | BUS_DMA_ZERO), &sc->ioctl_data_map)) {
         device_printf(sc->tws_dev, "Cannot allocate ioctl data mem\n");
@@ -668,8 +656,6 @@ tws_init_aen_q(struct tws_softc *sc)
     sc->aen_q.overflow=0;
     sc->aen_q.q = malloc(sizeof(struct tws_event_packet)*sc->aen_q.depth, 
                               M_TWS, M_WAITOK | M_ZERO);
-    if ( ! sc->aen_q.q )
-        return(FAILURE);
     return(SUCCESS);
 }
 
@@ -682,8 +668,6 @@ tws_init_trace_q(struct tws_softc *sc)
     sc->trace_q.overflow=0;
     sc->trace_q.q = malloc(sizeof(struct tws_trace_rec)*sc->trace_q.depth,
                               M_TWS, M_WAITOK | M_ZERO);
-    if ( ! sc->trace_q.q )
-        return(FAILURE);
     return(SUCCESS);
 }