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cov: validate subcommand existance

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Before dereference of subcommand pointer, check it's not NULL
as  coverity believes there exists theoretical path for this...
This commit is contained in:
Zdenek Kabelac 2021-10-15 14:42:20 +02:00
parent 2779830a06
commit 6668d6409a
1 changed files with 2 additions and 2 deletions
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4
libdm/dm-tools/dmsetup.c
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@ -5846,12 +5846,12 @@ static int _stats_report(CMD_ARGS)
if (_switches[ALL_PROGRAMS_ARG])
_program_id = "";
if (_switches[VERBOSE_ARG] && !strcmp(subcommand, "list"))
if (_switches[VERBOSE_ARG] && subcommand && !strcmp(subcommand, "list"))
_statstype |= (DM_STATS_WALK_ALL
| DM_STATS_WALK_SKIP_SINGLE_AREA);
/* suppress duplicates unless the user has requested all regions */
if (!strcmp(subcommand, "report") && !objtype_args)
if (subcommand && !objtype_args && !strcmp(subcommand, "report"))
/* suppress duplicate rows of output */
_statstype |= (DM_STATS_WALK_ALL
| DM_STATS_WALK_SKIP_SINGLE_AREA);