Correct checking if file descriptors are valid
In some cases file descriptors equal to 0 are treated as invalid. Fix it. Signed-off-by: Mateusz Grzonka <mateusz.grzonka@intel.com> Signed-off-by: Jes Sorensen <jsorensen@fb.com>
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@ -569,8 +569,7 @@ static int select_devices(struct mddev_dev *devlist,
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if (dfd < 0 ||
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st->ss->load_super(st, dfd, NULL))
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tmpdev->used = 2;
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if (dfd > 0)
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close(dfd);
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close_fd(&dfd);
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}
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}
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5
Grow.c
5
Grow.c
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@ -2334,10 +2334,7 @@ size_change_error:
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* number of devices (On-Line Capacity Expansion) must be
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* performed at the level of the container
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*/
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if (fd > 0) {
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close(fd);
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fd = -1;
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}
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close_fd(&fd);
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rv = reshape_container(container, devname, -1, st, &info,
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c->force, c->backup_file, c->verbose,
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0, 0, 0);
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@ -1702,8 +1702,8 @@ int IncrementalRemove(char *devname, char *id_path, int verbose)
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return 1;
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}
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mdfd = open_dev_excl(ent->devnm);
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if (mdfd > 0) {
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close(mdfd);
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if (is_fd_valid(mdfd)) {
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close_fd(&mdfd);
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if (sysfs_get_str(&mdi, NULL, "array_state",
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buf, sizeof(buf)) > 0) {
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if (strncmp(buf, "active", 6) == 0 ||
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3
mdadm.c
3
mdadm.c
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@ -1770,8 +1770,7 @@ int main(int argc, char *argv[])
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}
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if (locked)
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cluster_release_dlmlock();
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if (mdfd > 0)
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close(mdfd);
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close_fd(&mdfd);
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exit(rv);
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}
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@ -4914,7 +4914,7 @@ static int raid10_degraded(struct mdinfo *info)
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pr_err("BUG: invalid raid disk\n");
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goto out;
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}
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if (d->state_fd > 0)
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if (is_fd_valid(d->state_fd))
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found[i]++;
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}
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ret = 2;
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