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Linux: Fix crash when the afs root volume is not found

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Commit 602130f1de65eefeb4e31e114070d544eb9edd40 changed the allocation of the
backing device info to directly use the kernel memory allocator. Unfortunately,
one of the deallocations was not converted to the kernel memory deallocator
in the backport to the 1.6.x branch.

The code path is triggered when the afs root volume is not found (for example,
not -dynroot and the root.afs volume is not available.) This causes the system
to crash instead of just failing to mount /afs.

This is a 1.6.x change only. This bug was introduced in version 1.6.14.1.

FIXES 132653

Change-Id: Ifc991be5f914b4a4e1a797b7e2178dc03436b8e6
Reviewed-on: http://gerrit.openafs.org/12166
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Benjamin Kaduk <kaduk@mit.edu>
Reviewed-by: Chas Williams <3chas3@gmail.com>
Reviewed-by: Stephan Wiesand <stephan.wiesand@desy.de>
This commit is contained in:
Michael Meffie 2016-01-07 14:15:53 -05:00 committed by Stephan Wiesand
parent 6ffe15c832
commit 5f05961c88
1 changed files with 1 additions and 1 deletions
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2
src/afs/LINUX/osi_vfsops.c
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@ -150,7 +150,7 @@ afs_fill_super(struct super_block *sb, void *data, int silent)
#if defined(HAVE_LINUX_BDI_INIT)
bdi_destroy(afs_backing_dev_info);
#endif
osi_Free(afs_backing_dev_info, sizeof(struct backing_dev_info));
kfree(afs_backing_dev_info);
module_put(THIS_MODULE);
}