d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Test if 'env' is NULL before doing memset() and strlen(),

Browse Source 
the caller may pass NULL to freeenv().
This commit is contained in:
Xin LI 2014-10-23 18:23:50 +00:00
parent bdb4291f89
commit 2735a91d93
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sys/kern/kern_environment.c
View File

@ -262,7 +262,7 @@ void
freeenv(char *env)
{
if (dynamic_kenv) {
if (dynamic_kenv && env != NULL) {
memset(env, 0, strlen(env));
free(env, M_KENV);
}