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Btrfs-progs: add kstrdup() return value check

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When allocating a btrfs_device structure, device_list_add()
in volumes.c was not checking if the call to duplicate the
label string succeeded or not.

Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
This commit is contained in:
Filipe David Borba Manana 2013-06-30 12:51:45 +01:00 committed by David Sterba
parent be96777126
commit 93a96c547f
1 changed files with 5 additions and 0 deletions
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5
volumes.c
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@ -124,6 +124,11 @@ static int device_list_add(const char *path,
return -ENOMEM;
}
device->label = kstrdup(disk_super->label, GFP_NOFS);
if (!device->label) {
kfree(device->name);
kfree(device);
return -ENOMEM;
}
device->total_devs = btrfs_super_num_devices(disk_super);
device->super_bytes_used = btrfs_super_bytes_used(disk_super);
device->total_bytes =