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authorStephen Hemminger <shemminger@linux-foundation.org>2007-10-18 03:07:05 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-18 14:37:31 -0700
commitc80544dc0b87bb65038355e7aafdc30be16b26ab (patch)
tree176349304bec88a9de16e650c9919462e0dd453c /mm
parent0e9663ee452ffce0d429656ebbcfe69417a30e92 (diff)
downloadlinux-c80544dc0b87bb65038355e7aafdc30be16b26ab.tar.bz2
sparse pointer use of zero as null
Get rid of sparse related warnings from places that use integer as NULL pointer. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Cc: Andi Kleen <ak@suse.de> Cc: Jeff Garzik <jeff@garzik.org> Cc: Matt Mackall <mpm@selenic.com> Cc: Ian Kent <raven@themaw.net> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Davide Libenzi <davidel@xmailserver.org> Cc: Stephen Smalley <sds@tycho.nsa.gov> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/hugetlb.c2
-rw-r--r--mm/mremap.c4
-rw-r--r--mm/vmscan.c2
3 files changed, 4 insertions, 4 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index ae2959bb59cb..034617f8cdb2 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1020,7 +1020,7 @@ static long region_chg(struct list_head *head, long f, long t)
* size such that we can guarentee to record the reservation. */
if (&rg->link == head || t < rg->from) {
nrg = kmalloc(sizeof(*nrg), GFP_KERNEL);
- if (nrg == 0)
+ if (!nrg)
return -ENOMEM;
nrg->from = f;
nrg->to = f;
diff --git a/mm/mremap.c b/mm/mremap.c
index 8ea5c2412c6e..08e3c7f2bd15 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -291,7 +291,7 @@ unsigned long do_mremap(unsigned long addr,
if ((addr <= new_addr) && (addr+old_len) > new_addr)
goto out;
- ret = security_file_mmap(0, 0, 0, 0, new_addr, 1);
+ ret = security_file_mmap(NULL, 0, 0, 0, new_addr, 1);
if (ret)
goto out;
@@ -399,7 +399,7 @@ unsigned long do_mremap(unsigned long addr,
goto out;
}
- ret = security_file_mmap(0, 0, 0, 0, new_addr, 1);
+ ret = security_file_mmap(NULL, 0, 0, 0, new_addr, 1);
if (ret)
goto out;
}
diff --git a/mm/vmscan.c b/mm/vmscan.c
index e1471385d001..cb474cc99645 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1282,7 +1282,7 @@ out:
*/
if (priority < 0)
priority = 0;
- for (i = 0; zones[i] != 0; i++) {
+ for (i = 0; zones[i] != NULL; i++) {
struct zone *zone = zones[i];
if (!cpuset_zone_allowed_hardwall(zone, GFP_KERNEL))