devmem: handle class_create() failure

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I hit this when we had a bug in IDR for a few days.  Basically sysfs would
fail to create new inodes since it uses an IDR and therefore class_create
would fail.

While we are unlikely to see this fail we may as well handle it instead of
oopsing.

Signed-off-by: Anton Blanchard <anton@samba.org>
Reviewed-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

...

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Anton Blanchard 2010-04-06 14:34:55 -07:00 • committed by Linus Torvalds

parent 70655c06bd

commit 6e191f7bb0

1 changed files with 3 additions and 0 deletions

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drivers/char/mem.c

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