From d57f6340b68aec2a3375c37a096c35967dc7f748 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Tue, 25 May 2021 23:40:01 +0200 Subject: [PATCH] tpm2-util: accept empty string for empty PCR list --- src/shared/tpm2-util.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/src/shared/tpm2-util.c b/src/shared/tpm2-util.c index 09f38ac867c..b2540c62fef 100644 --- a/src/shared/tpm2-util.c +++ b/src/shared/tpm2-util.c @@ -920,6 +920,13 @@ int tpm2_parse_pcrs(const char *s, uint32_t *ret) { uint32_t mask = 0; int r; + assert(s); + + if (isempty(s)) { + *ret = 0; + return 0; + } + /* Parses a "," or "+" separated list of PCR indexes. We support "," since this is a list after all, * and most other tools expect comma separated PCR specifications. We also support "+" since in * /etc/crypttab the "," is already used to separate options, hence a different separator is nice to -- 2.47.3