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install: fix invalid free() in unit_file_mask()

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int unit_file_mask(...) in ./src/shared/install.c calls
get_config_path(...) which can in 4 error cases return without setting
"ret", and thus "prefix" can be uninitialized when unit_file_mask(...)
finishes (which it does directly after the error is returned from
get_config_path(...)).

(cherry picked from commit 223217749e)
This commit is contained in:
Andreas Henriksson
2014-06-16 19:00:44 -04:00
committed by Zbigniew Jędrzejewski-Szmek
parent 4a6f3f091a
commit bcb667c211
1 changed files with 1 additions and 1 deletions
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src/shared/install.c
+1 -1
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@@ -565,7 +565,7 @@ int unit_file_mask(
unsigned *n_changes) {
char **i;
_cleanup_free_ char *prefix;
_cleanup_free_ char *prefix = NULL;
int r;
assert(scope >= 0);