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hush: fix redirect code (was using uninitialized variables)

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2017-08-11 15:41:39 +02:00
parent 9a7d0a0191
commit d16e612c93
1 changed files with 4 additions and 2 deletions
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6
shell/hush.c
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@ -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: