Signed-off-by: Benjamin Marzinski <bmarzins@xxxxxxxxxx>
---
libmultipath/discovery.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/libmultipath/discovery.c b/libmultipath/discovery.c
index 9be94cd1..3a06f319 100644
--- a/libmultipath/discovery.c
+++ b/libmultipath/discovery.c
@@ -2152,11 +2152,11 @@ int
get_uid (struct path * pp, int path_state, struct udev_device *udev,
int allow_fallback)
{
- char *c;
const char *origin = "unknown";
ssize_t len = 0;
struct config *conf;
int used_fallback = 0;
+ size_t i;
if (!pp->uid_attribute && !pp->getuid) {
conf = get_multipath_config();
@@ -2210,12 +2210,9 @@ get_uid (struct path * pp, int path_state, struct udev_device *udev,
return 1;
} else {
/* Strip any trailing blanks */
- c = strchr(pp->wwid, '\0');
- c--;
- while (c && c >= pp->wwid && *c == ' ') {
- *c = '\0';
- c--;
- }
+ for (i = strlen(pp->wwid); i > 0 && pp->wwid[i-1] == ' '; i--);
+ /* no-op */
+ pp->wwid[i] = '\0';
}
condlog((used_fallback)? 1 : 3, "%s: uid = %s (%s)", pp->dev,
*pp->wwid == '\0' ? "<empty>" : pp->wwid, origin);
--
2.17.2
--
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