* [PATCH] Correct checking if file descriptors are valid
@ 2021-11-24 10:48 Mateusz Grzonka
2021-11-24 12:07 ` Jes Sorensen
0 siblings, 1 reply; 2+ messages in thread
From: Mateusz Grzonka @ 2021-11-24 10:48 UTC (permalink / raw)
To: linux-raid; +Cc: jes
In some cases file descriptors equal to 0 are treated as invalid.
Fix it.
Signed-off-by: Mateusz Grzonka <mateusz.grzonka@intel.com>
---
Assemble.c | 3 +--
Grow.c | 5 +----
Incremental.c | 4 ++--
mdadm.c | 3 +--
super-ddf.c | 2 +-
5 files changed, 6 insertions(+), 11 deletions(-)
diff --git a/Assemble.c b/Assemble.c
index 20fd97b5..704b8293 100644
--- a/Assemble.c
+++ b/Assemble.c
@@ -569,8 +569,7 @@ static int select_devices(struct mddev_dev *devlist,
if (dfd < 0 ||
st->ss->load_super(st, dfd, NULL))
tmpdev->used = 2;
- if (dfd > 0)
- close(dfd);
+ close_fd(&dfd);
}
}
diff --git a/Grow.c b/Grow.c
index 70f26c7e..9c6fc95e 100644
--- a/Grow.c
+++ b/Grow.c
@@ -2334,10 +2334,7 @@ size_change_error:
* number of devices (On-Line Capacity Expansion) must be
* performed at the level of the container
*/
- if (fd > 0) {
- close(fd);
- fd = -1;
- }
+ close_fd(&fd);
rv = reshape_container(container, devname, -1, st, &info,
c->force, c->backup_file, c->verbose,
0, 0, 0);
diff --git a/Incremental.c b/Incremental.c
index cd9cc0fc..d28925d6 100644
--- a/Incremental.c
+++ b/Incremental.c
@@ -1701,8 +1701,8 @@ int IncrementalRemove(char *devname, char *id_path, int verbose)
return 1;
}
mdfd = open_dev_excl(ent->devnm);
- if (mdfd > 0) {
- close(mdfd);
+ if (is_fd_valid(mdfd)) {
+ close_fd(&mdfd);
if (sysfs_get_str(&mdi, NULL, "array_state",
buf, sizeof(buf)) > 0) {
if (strncmp(buf, "active", 6) == 0 ||
diff --git a/mdadm.c b/mdadm.c
index a31ab99c..91e67467 100644
--- a/mdadm.c
+++ b/mdadm.c
@@ -1770,8 +1770,7 @@ int main(int argc, char *argv[])
}
if (locked)
cluster_release_dlmlock();
- if (mdfd > 0)
- close(mdfd);
+ close_fd(&mdfd);
exit(rv);
}
diff --git a/super-ddf.c b/super-ddf.c
index d334a79d..3f304cdc 100644
--- a/super-ddf.c
+++ b/super-ddf.c
@@ -4914,7 +4914,7 @@ static int raid10_degraded(struct mdinfo *info)
pr_err("BUG: invalid raid disk\n");
goto out;
}
- if (d->state_fd > 0)
+ if (is_fd_valid(d->state_fd))
found[i]++;
}
ret = 2;
--
2.26.2
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] Correct checking if file descriptors are valid
2021-11-24 10:48 [PATCH] Correct checking if file descriptors are valid Mateusz Grzonka
@ 2021-11-24 12:07 ` Jes Sorensen
0 siblings, 0 replies; 2+ messages in thread
From: Jes Sorensen @ 2021-11-24 12:07 UTC (permalink / raw)
To: Mateusz Grzonka, linux-raid
On 11/24/21 5:48 AM, Mateusz Grzonka wrote:
> In some cases file descriptors equal to 0 are treated as invalid.
> Fix it.
>
> Signed-off-by: Mateusz Grzonka <mateusz.grzonka@intel.com>
> ---
> Assemble.c | 3 +--
> Grow.c | 5 +----
> Incremental.c | 4 ++--
> mdadm.c | 3 +--
> super-ddf.c | 2 +-
> 5 files changed, 6 insertions(+), 11 deletions(-)
Applied!
Thanks,
Jes
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-11-24 12:07 ` Jes Sorensen
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