[PATCH] sparc NULL noise removal
Al Viro [Wed, 4 May 2005 04:38:51 +0000 (05:38 +0100)]
Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/sparc/prom/memory.c
arch/sparc/prom/sun4prom.c
include/asm-sparc/floppy.h

index 46aa51a..c20e530 100644 (file)
@@ -47,9 +47,9 @@ prom_sortmemlist(struct linux_mlist_v0 *thislist)
        char *tmpaddr;
        char *lowest;
 
-       for(i=0; thislist[i].theres_more != 0; i++) {
+       for(i=0; thislist[i].theres_more; i++) {
                lowest = thislist[i].start_adr;
-               for(mitr = i+1; thislist[mitr-1].theres_more != 0; mitr++)
+               for(mitr = i+1; thislist[mitr-1].theres_more; mitr++)
                        if(thislist[mitr].start_adr < lowest) {
                                lowest = thislist[mitr].start_adr;
                                swapi = mitr;
@@ -85,7 +85,7 @@ void __init prom_meminit(void)
                        prom_phys_total[iter].num_bytes = mptr->num_bytes;
                        prom_phys_total[iter].theres_more = &prom_phys_total[iter+1];
                }
-               prom_phys_total[iter-1].theres_more = 0x0;
+               prom_phys_total[iter-1].theres_more = NULL;
                /* Second, the total prom taken descriptors. */
                for(mptr = (*(romvec->pv_v0mem.v0_prommap)), iter=0;
                    mptr; mptr=mptr->theres_more, iter++) {
@@ -93,7 +93,7 @@ void __init prom_meminit(void)
                        prom_prom_taken[iter].num_bytes = mptr->num_bytes;
                        prom_prom_taken[iter].theres_more = &prom_prom_taken[iter+1];
                }
-               prom_prom_taken[iter-1].theres_more = 0x0;
+               prom_prom_taken[iter-1].theres_more = NULL;
                /* Last, the available physical descriptors. */
                for(mptr = (*(romvec->pv_v0mem.v0_available)), iter=0;
                    mptr; mptr=mptr->theres_more, iter++) {
@@ -101,7 +101,7 @@ void __init prom_meminit(void)
                        prom_phys_avail[iter].num_bytes = mptr->num_bytes;
                        prom_phys_avail[iter].theres_more = &prom_phys_avail[iter+1];
                }
-               prom_phys_avail[iter-1].theres_more = 0x0;
+               prom_phys_avail[iter-1].theres_more = NULL;
                /* Sort all the lists. */
                prom_sortmemlist(prom_phys_total);
                prom_sortmemlist(prom_prom_taken);
@@ -124,7 +124,7 @@ void __init prom_meminit(void)
                        prom_phys_avail[iter].theres_more =
                                &prom_phys_avail[iter+1];
                }
-               prom_phys_avail[iter-1].theres_more = 0x0;
+               prom_phys_avail[iter-1].theres_more = NULL;
 
                num_regs = prom_getproperty(node, "reg",
                                            (char *) prom_reg_memlist,
@@ -138,7 +138,7 @@ void __init prom_meminit(void)
                        prom_phys_total[iter].theres_more =
                                &prom_phys_total[iter+1];
                }
-               prom_phys_total[iter-1].theres_more = 0x0;
+               prom_phys_total[iter-1].theres_more = NULL;
 
                node = prom_getchild(prom_root_node);
                node = prom_searchsiblings(node, "virtual-memory");
@@ -158,7 +158,7 @@ void __init prom_meminit(void)
                        prom_prom_taken[iter].theres_more =
                                &prom_prom_taken[iter+1];
                }
-               prom_prom_taken[iter-1].theres_more = 0x0;
+               prom_prom_taken[iter-1].theres_more = NULL;
 
                prom_sortmemlist(prom_prom_taken);
 
@@ -182,15 +182,15 @@ void __init prom_meminit(void)
        case PROM_SUN4:
 #ifdef CONFIG_SUN4     
                /* how simple :) */
-               prom_phys_total[0].start_adr = 0x0;
+               prom_phys_total[0].start_adr = NULL;
                prom_phys_total[0].num_bytes = *(sun4_romvec->memorysize);
-               prom_phys_total[0].theres_more = 0x0;
-               prom_prom_taken[0].start_adr = 0x0; 
+               prom_phys_total[0].theres_more = NULL;
+               prom_prom_taken[0].start_adr = NULL; 
                prom_prom_taken[0].num_bytes = 0x0;
-               prom_prom_taken[0].theres_more = 0x0;
-               prom_phys_avail[0].start_adr = 0x0;
+               prom_prom_taken[0].theres_more = NULL;
+               prom_phys_avail[0].start_adr = NULL;
                prom_phys_avail[0].num_bytes = *(sun4_romvec->memoryavail);
-               prom_phys_avail[0].theres_more = 0x0;
+               prom_phys_avail[0].theres_more = NULL;
 #endif
                break;
 
index 69ca735..00390a2 100644 (file)
@@ -151,7 +151,7 @@ struct linux_romvec * __init sun4_prom_init(void)
         * have more time, we can teach the penguin to say "By your
         * command" or "Activating turbo boost, Michael". :-)
         */
-       sun4_romvec->setLEDs(0x0);
+       sun4_romvec->setLEDs(NULL);
        
        printk("PROMLIB: Old Sun4 boot PROM monitor %s, romvec version %d\n",
                sun4_romvec->monid,
index 780ee7f..caf9261 100644 (file)
@@ -227,7 +227,7 @@ static __inline__ void sun_fd_disable_dma(void)
        doing_pdma = 0;
        if (pdma_base) {
                mmu_unlockarea(pdma_base, pdma_areasize);
-               pdma_base = 0;
+               pdma_base = NULL;
        }
 }