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mdadm/SOURCES/0010-super1-check-fd-before...

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From 7ccf947eb595c1bb729c32ba18ce171dada76a68 Mon Sep 17 00:00:00 2001
From: Mateusz Kusiak <mateusz.kusiak@intel.com>
Date: Tue, 20 Feb 2024 11:56:11 +0100
Subject: [PATCH 10/41] super1: check fd before passing to get_dev_size() in
add_to_super1()
Check if file descriptor is valid before passing it to get_dev_size() in
add_to_super().
Signed-off-by: Mateusz Kusiak <mateusz.kusiak@intel.com>
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
---
super1.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/super1.c b/super1.c
index 871d19f0..5439b7bb 100644
--- a/super1.c
+++ b/super1.c
@@ -1752,7 +1752,10 @@ static int add_to_super1(struct supertype *st, mdu_disk_info_t *dk,
di->devname = devname;
di->disk = *dk;
di->data_offset = data_offset;
- get_dev_size(fd, NULL, &di->dev_size);
+
+ if (is_fd_valid(fd))
+ get_dev_size(fd, NULL, &di->dev_size);
+
di->next = NULL;
*dip = di;
--
2.40.1