hush: fix redirect code (was using uninitialized variables)

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/shell/hush.c b/shell/hush.c
index dc05f24b9..1e58d71e0 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -6741,7 +6741,8 @@ static struct squirrel *add_squirrel(struct squirrel *sq, int fd, int avoid_fd)
         int moved_to;
         int i;
 
-        if (sq) for (i = 0; sq[i].orig_fd >= 0; i++) {
+        i = 0;
+        if (sq) for (; sq[i].orig_fd >= 0; i++) {
                 /* If we collide with an already moved fd... */
                 if (fd == sq[i].moved_to) {
                         sq[i].moved_to = fcntl_F_DUPFD(sq[i].moved_to, avoid_fd);
@@ -6769,7 +6770,8 @@ static struct squirrel *add_squirrel_closed(struct squirrel *sq, int fd)
 {
         int i;
 
-        if (sq) for (i = 0; sq[i].orig_fd >= 0; i++) {
+        i = 0;
+        if (sq) for (; sq[i].orig_fd >= 0; i++) {
                 /* If we collide with an already moved fd... */
                 if (fd == sq[i].orig_fd) {
                         /* Examples: