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nspawn: guard acl_free() with a NULL check

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Inspired by #25957 there's one other place where we don't guard
acl_free() calls with a NULL check.

Fix that.

(cherry picked from commit 34680637e8)
This commit is contained in:
Lennart Poettering 2023-01-06 12:30:36 +01:00 committed by Zbigniew Jędrzejewski-Szmek
parent a11a949c43
commit 4dabf90526
1 changed files with 3 additions and 1 deletions
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4
src/nspawn/nspawn-patch-uid.c
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@ -181,7 +181,9 @@ static int patch_acls(int fd, const char *name, const struct stat *st, uid_t shi
if (S_ISDIR(st->st_mode)) {
acl_free(acl);
acl_free(shifted);
if (shifted)
acl_free(shifted);
acl = shifted = NULL;