extable: skip sorting if the table is empty
At least on ARM no-MMU the extable is empty and so there is nothing to sort. So add a check for the table to be empty which effectively only changes that the misleading pr_notice is suppressed. Signed-off-by:Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Cc: Ingo Molnar <mingo@kernel.org> Cc: David Daney <david.daney@cavium.com> Cc: "H. Peter Anvin" <hpa@linux.intel.com> Cc: Borislav Petkov <bp@suse.de> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
parent
bff2dc42
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