Lines Matching refs:NULL
235 if ((bp->b_hash.le_next = (head)->lh_first) != NULL)
254 for(; nbp != NULL; nbp = nbp->b_hash.le_next) {
271 if (bp->b_hash.le_next != NULL)
471 return ((void *) NULL);
513 return (NULL);
516 return (NULL);
520 return (NULL);
523 return (NULL);
688 *io_addr = NULL;
832 if ((error = VNOP_BLOCKMAP(vp, f_offset, io_resid, &io_blkno, &io_contig_bytes, NULL, bmap_flags, NULL)))
862 if (vp == NULL || vp->v_type == VCHR || vp->v_type == VBLK)
863 panic("buf_strategy: b_vp == NULL || vtype == VCHR | VBLK\n");
898 if ((error = VNOP_BLOCKMAP(vp, f_offset, bp->b_bcount, &bp->b_blkno, &contig_bytes, NULL, bmap_flags, NULL))) {
945 * if BUF_NOTIFY_BUSY is set, call the callout function using a NULL bp for busy pages
999 bp = NULL;
1281 msleep(&vp->v_iterblkflags, buf_mtxp, 0, "buf_iterprepare", NULL);
1328 struct bqueues *dp = NULL;
1339 if (bp->b_freelist.tqe_next == NULL) {
1391 bp->b_vp = (vnode_t)NULL;
1404 if (newvp == NULL) {
1405 printf("buf_reassign: NULL");
1496 if (iobuffer_mtxp == NULL)
1499 if (buf_mtxp == NULL)
1542 {NULL, (MINMETA * 1), 128 * (MINMETA * 1), "buf.512" },
1543 {NULL, (MINMETA * 2), 64 * (MINMETA * 2), "buf.1024" },
1544 {NULL, (MINMETA * 4), 16 * (MINMETA * 4), "buf.2048" },
1545 {NULL, (MINMETA * 8), 512 * (MINMETA * 8), "buf.4096" },
1546 {NULL, (MINMETA * 16), 512 * (MINMETA * 16), "buf.8192" },
1547 {NULL, 0, 0, "" } /* End */
1625 bp = NULL;
1629 bp = NULL;
1976 bp->b_iodone = NULL;
1977 bp->b_transaction = NULL;
1979 if (iodone_func == NULL) {
1980 panic("brelse: bp @ %p has NULL b_iodone!\n", bp);
1994 if ( (upl == NULL) ) {
2000 NULL,
2015 bp->b_datap = (uintptr_t)NULL;
2035 bp->b_upl = NULL;
2072 bp->b_datap = (uintptr_t)NULL;
2196 for (bp = dp->lh_first; bp != NULL; bp = bp->b_hash.le_next) {
2202 return (NULL);
2264 * willing to deal with the NULL pointer
2267 return (NULL);
2357 return (NULL);
2364 if ((bp = getnewbuf(slpflag, slptimeo, &queue)) == NULL)
2485 if (VNOP_BLOCKMAP(vp, f_offset, bp->b_bcount, &bp->b_blkno, &contig_bytes, NULL, bmap_flags, NULL))
2597 bp->b_datap = (uintptr_t)NULL;
2610 bp->b_datap = (uintptr_t)NULL;
2631 panic("allocbuf: NULL b_datap");
2755 return (NULL);
2759 bp = NULL;
2911 bp->b_datap = (uintptr_t)NULL;
2912 bp->b_upl = (void *)NULL;
2927 bp->b_iodone = NULL;
2970 error = msleep((caddr_t)bp, buf_mtxp, (PRIBIO + 1), "buf_invalblkno", NULL);
3094 (void) msleep(bp, buf_mtxp, (PRIBIO+1), "buf_biowait", NULL);
3119 (void) msleep(bp, buf_mtxp, (PRIBIO+1), "buf_biowait", NULL);
3205 bp->b_iodone = NULL;
3206 bp->b_transaction = NULL;
3208 if (iodone_func == NULL) {
3209 panic("biodone: bp @ %p has NULL b_iodone!\n", bp);
3370 (bp = iobufqueue.tqh_first) == NULL) {
3374 (void) msleep(&need_iobuffer, iobuffer_mtxp, (PRIBIO+1), (const char *)"alloc_io_buf", NULL);
3391 bp->b_proc = NULL;
3401 bp->b_iodone = NULL;
3406 bp->b_upl = NULL;
3426 bp->b_vp = NULL;
3491 while ( (bp = TAILQ_FIRST(&bufqueues[BQ_LAUNDRY])) == NULL)
3492 (void)msleep((void *)&bufqueues[BQ_LAUNDRY], buf_mtxp, PRIBIO, "blaundry", NULL);
3647 if (bp->b_vp == NULL || bp->b_vp->v_mount != mp) {