diff options
Diffstat (limited to 'lib/libefivar/efivar-dp-xlate.c')
| -rw-r--r-- | lib/libefivar/efivar-dp-xlate.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/lib/libefivar/efivar-dp-xlate.c b/lib/libefivar/efivar-dp-xlate.c index effc8a2de475..b6adae80fdb4 100644 --- a/lib/libefivar/efivar-dp-xlate.c +++ b/lib/libefivar/efivar-dp-xlate.c @@ -544,23 +544,25 @@ find_geom_efimedia(struct gmesh *mesh, const char *dev) static int build_dp(const char *efimedia, const char *relpath, efidp *dp) { - char *fp, *dptxt = NULL, *cp, *rp; + char *fp = NULL, *dptxt = NULL, *cp, *rp = NULL; int rv = 0; efidp out = NULL; size_t len; - rp = strdup(relpath); - for (cp = rp; *cp; cp++) - if (*cp == '/') - *cp = '\\'; - fp = path_to_file_dp(rp); - free(rp); - if (fp == NULL) { - rv = ENOMEM; - goto errout; + if (relpath != NULL) { + rp = strdup(relpath); + for (cp = rp; *cp; cp++) + if (*cp == '/') + *cp = '\\'; + fp = path_to_file_dp(rp); + free(rp); + if (fp == NULL) { + rv = ENOMEM; + goto errout; + } } - asprintf(&dptxt, "%s/%s", efimedia, fp); + asprintf(&dptxt, "%s/%s", efimedia, fp == NULL ? "" : fp); out = malloc(8192); len = efidp_parse_device_path(dptxt, out, 8192); if (len > 8192) { |