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authorDmitry V. Levin <ldv@strace.io>2023-12-14 08:00:00 +0000
committerDmitry V. Levin <ldv@strace.io>2023-12-14 08:00:00 +0000
commit954234f0a477636eab751a6601d34bab1db41b0e (patch)
tree83403cf711c78b112e2738eb82b35d801cce18ee /modules/pam_listfile
parent297f0b554e497e95c891fd6a77f7ac5591649f26 (diff)
downloadpam-954234f0a477636eab751a6601d34bab1db41b0e.tar.gz
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pam-954234f0a477636eab751a6601d34bab1db41b0e.zip
treewide: assume free(NULL) is no-op
The C standard guarantees that if the argument of free() is a null pointer, no action occurs.
Diffstat (limited to 'modules/pam_listfile')
-rw-r--r--modules/pam_listfile/pam_listfile.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/modules/pam_listfile/pam_listfile.c b/modules/pam_listfile/pam_listfile.c
index 5561b9ea..a01b5a8a 100644
--- a/modules/pam_listfile/pam_listfile.c
+++ b/modules/pam_listfile/pam_listfile.c
@@ -92,7 +92,7 @@ pam_sm_authenticate (pam_handle_t *pamh, int flags UNUSED,
else if(!strcmp(myval,"fail"))
onerr = PAM_SERVICE_ERR;
else {
- if (ifname) free (ifname);
+ free(ifname);
return PAM_SERVICE_ERR;
}
else if(!strcmp(mybuf,"sense"))
@@ -101,11 +101,11 @@ pam_sm_authenticate (pam_handle_t *pamh, int flags UNUSED,
else if(!strcmp(myval,"deny"))
sense=1;
else {
- if (ifname) free (ifname);
+ free(ifname);
return onerr;
}
else if(!strcmp(mybuf,"file")) {
- if (ifname) free (ifname);
+ free(ifname);
ifname = malloc(strlen(myval)+1);
if (!ifname)
return PAM_BUF_ERR;