diff options
| author | Uwe Kleine-König <[email protected]> | 2013-09-11 14:23:27 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2013-09-11 15:58:25 -0700 |
| commit | e656a634118285142063527b2cd40c749036de82 (patch) | |
| tree | 201f158e1fb06cd7ac851b6f1b0530f232146c35 | |
| parent | bff2dc42bcafdd75c0296987747f782965d691a0 (diff) | |
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 <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: David Daney <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Cc: Borislav Petkov <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | kernel/extable.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/extable.c b/kernel/extable.c index 67460b93b1a1..832cb28105bb 100644 --- a/kernel/extable.c +++ b/kernel/extable.c @@ -41,7 +41,7 @@ u32 __initdata main_extable_sort_needed = 1; /* Sort the kernel's built-in exception table */ void __init sort_main_extable(void) { - if (main_extable_sort_needed) { + if (main_extable_sort_needed && __stop___ex_table > __start___ex_table) { pr_notice("Sorting __ex_table...\n"); sort_extable(__start___ex_table, __stop___ex_table); } |