diff options
author | LOLi <[email protected]> | 2017-03-24 02:57:54 +0100 |
---|---|---|
committer | Brian Behlendorf <[email protected]> | 2017-03-23 18:57:54 -0700 |
commit | 7b0dc2a317a3d149d396bc48dae7b8e9bf1a1a6b (patch) | |
tree | 6181ac553851b369f74294fece050b1d6656ee4a /lib/libzpool | |
parent | 8d703987407acfcbd992ba4a7926f2d76ca3779c (diff) |
Fix 'zdb -o' segmentation fault
Fix a regression accidentally introduced by OpenZFS 7280 in ed828c0: since
whether to accept NULL as a valid first parameter in strchr() is implementation
specific we add an additional check to avoid crashing.
Reviewed-by: Brian Behlendorf <[email protected]>
Signed-off-by: loli10K <[email protected]>
Closes #5917
Diffstat (limited to 'lib/libzpool')
-rw-r--r-- | lib/libzpool/util.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/libzpool/util.c b/lib/libzpool/util.c index 3bdc31722..8e1c104a3 100644 --- a/lib/libzpool/util.c +++ b/lib/libzpool/util.c @@ -182,7 +182,7 @@ set_global_var(char *arg) "little-endian systems\n"); return (ENOTSUP); #endif - if ((varval = strchr(arg, '=')) != NULL) { + if (arg != NULL && (varval = strchr(arg, '=')) != NULL) { *varval = '\0'; varval++; val = strtoull(varval, NULL, 0); |