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| author | Bryn M. Reeves <bmr@redhat.com> | 2015-08-17 18:31:11 +0100 |
|---|---|---|
| committer | Bryn M. Reeves <bmr@redhat.com> | 2015-08-17 18:37:16 +0100 |
| commit | 69fa16048a61b6cd0b8fe9c311dd4e9eea532207 (patch) | |
| tree | 2e3c4f92b082394e75ad62257e6ea3b85bda451a | |
| parent | b01e9651b06a6362339d4c3d5d8da43896dae50f (diff) | |
| download | lvm2-69fa16048a61b6cd0b8fe9c311dd4e9eea532207.tar.gz | |
dmstats: check for zero in _nr_areas_from_step() (Coverity)
| -rw-r--r-- | tools/dmsetup.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/dmsetup.c b/tools/dmsetup.c index 8bcf4d5c8..7769fde6b 100644 --- a/tools/dmsetup.c +++ b/tools/dmsetup.c @@ -4434,6 +4434,10 @@ static int _size_from_string(char *argptr, uint64_t *size, const char *name) */ static uint64_t _nr_areas_from_step(uint64_t len, int64_t step) { + /* Default is one area. */ + if (!step || !len) + return 1; + /* --areas */ if (step < 0) return (uint64_t)(-step); |