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| author | Ondrej Kozina <okozina@redhat.com> | 2015-05-26 16:01:40 +0200 |
|---|---|---|
| committer | Ondrej Kozina <okozina@redhat.com> | 2015-05-26 16:27:10 +0200 |
| commit | 8af5f54824f889c438104625dbe159f6e8dedbc4 (patch) | |
| tree | 372770cda53f43b24f7f6d5264debcdfba5618b4 | |
| parent | c069aff21b1450923b59e98ab709a5e667cdcda9 (diff) | |
| download | lvm2-8af5f54824f889c438104625dbe159f6e8dedbc4.tar.gz | |
dmsetup: zero errno in before strtoul call
Testing errno value without explicitly setting to
zero in before the strtoul call may lead to
unexpected failures.
| -rw-r--r-- | tools/dmsetup.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/dmsetup.c b/tools/dmsetup.c index 4202dbbb4..f200e949f 100644 --- a/tools/dmsetup.c +++ b/tools/dmsetup.c @@ -914,6 +914,7 @@ static uint32_t _get_cookie_value(const char *str_value) unsigned long int value; char *p; + errno = 0; if (!(value = strtoul(str_value, &p, 0)) || *p || (value == ULONG_MAX && errno == ERANGE) || |