gfs2: incorrect check for debugfs returns

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debugfs_create_dir and debugfs_create_file may return -ENODEV when debugfs
is not configured, so the return value should be checked against ERROR_VALUE
as well, otherwise the later dereference of the dentry pointer would crash
the kernel.

Signed-off-by: Chengyu Song <csong84@gatech.edu>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Acked-by: Steven Whitehouse <swhiteho@redhat.com>

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Chengyu Song 2015-03-24 09:37:53 -05:00 • committed by Bob Peterson

parent d9be0cda77

commit 7b4ddfa7c9

1 changed files with 28 additions and 19 deletions

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49

fs/gfs2/glock.c

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