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libnvdimm, badrange: remove a WARN for list_empty
authorVishal Verma <vishal.l.verma@intel.com>
Mon, 30 Oct 2017 20:22:21 +0000 (13:22 -0700)
committerDan Williams <dan.j.williams@intel.com>
Thu, 2 Nov 2017 17:42:30 +0000 (10:42 -0700)
Now that we're reusing the badrange functions for nfit_test, and that
exposes badrange injection/clearing to userspace via the DSM paths, it
is plausible that a user may call the clear DSM multiple times. Since it
is harmless to do so, we can remove the WARN in badrange_forget.

Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
drivers/nvdimm/badrange.c

index 0b67dcf..e068d72 100644 (file)
@@ -114,7 +114,6 @@ void badrange_forget(struct badrange *badrange, phys_addr_t start,
        struct badrange_entry *bre, *next;
 
        spin_lock(&badrange->lock);
-       WARN_ON_ONCE(list_empty(badrange_list));
 
        /*
         * [start, clr_end] is the badrange interval being cleared.