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Staging: batman-adv: Ignore debugfs on kernels without debugfs support

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All code for debugfs is ignored when the creation of the batman-adv root
directory in debugfs fails. It must also be ignored when the
debugfs_create_dir tells us that debugfs is not implemented to prevent
possible crashes in the future.

Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Sven Eckelmann
2010-06-22 01:25:48 +02:00
committed by Greg Kroah-Hartman
parent 42fa1b92ab
commit 8bfe363874
1 changed files with 2 additions and 0 deletions
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drivers/staging/batman-adv/bat_debugfs.c
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@@ -88,6 +88,8 @@ static struct bat_debuginfo *mesh_debuginfos[] = {
void debugfs_init(void)
{
bat_debugfs = debugfs_create_dir(DEBUGFS_BAT_SUBDIR, NULL);
if (bat_debugfs == ERR_PTR(-ENODEV))
bat_debugfs = NULL;
}
void debugfs_destroy(void)