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-rwxr-xr-xext/standard/basic_functions.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/ext/standard/basic_functions.c b/ext/standard/basic_functions.c
index 3c2c18db96..a02a26b1a6 100755
--- a/ext/standard/basic_functions.c
+++ b/ext/standard/basic_functions.c
@@ -908,6 +908,7 @@ PHP_FUNCTION(putenv)
}
/* valw may be NULL, but the failed conversion still needs to be checked. */
if (!keyw || !valw && value) {
+ tsrm_env_unlock();
efree(pe.putenv_string);
efree(pe.key);
free(keyw);