diff options
| author | Stephen Hemminger | 2007-10-18 03:07:05 -0700 |
|---|---|---|
| committer | Linus Torvalds | 2007-10-18 14:37:31 -0700 |
| commit | c80544dc0b87bb65038355e7aafdc30be16b26ab (patch) | |
| tree | 176349304bec88a9de16e650c9919462e0dd453c /mm | |
| parent | 0e9663ee452ffce0d429656ebbcfe69417a30e92 (diff) | |
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.c | 2 | ||||
| -rw-r--r-- | mm/mremap.c | 4 | ||||
| -rw-r--r-- | mm/vmscan.c | 2 |
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)) |