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gss: check for NULL before calling dlclose()

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Calling dlclose(NULL) on some recent versions of Linux appears to cause the
process to segfault.
This commit is contained in:
Luke Howard
2021-08-19 10:39:58 +00:00
parent a56c3ad819
commit b3511c145c
1 changed files with 2 additions and 1 deletions
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3
lib/gssapi/mech/gss_mech_switch.c
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@@ -451,7 +451,8 @@ _gss_load_mech(void)
free((char *)m->gm_mech.gm_name); free((char *)m->gm_mech.gm_name);
free(m); free(m);
} }
dlclose(so); if (so != NULL)
dlclose(so);
continue; continue;
} }
fclose(fp); fclose(fp);