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idr: print a stack dump after ida_remove warning

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We print a dump stack after idr_remove warning.  This is useful to find
the faulty piece of code.  Let's do the same for ida_remove, as it would
be equally useful there.

[[email protected]: convert the open-coded printk+dump_stack into WARN()]
Signed-off-by: Jean Delvare <[email protected]>
Cc: Tejun Heo <[email protected]>
Cc: Takashi Iwai <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Jean Delvare 2013-07-03 15:08:47 -07:00 • committed by Linus Torvalds
commit dd04b452f5
1 changed files with 2 additions and 5 deletions
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7
lib/idr.c
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@ -524,9 +524,7 @@ EXPORT_SYMBOL(idr_alloc_cyclic);
static void idr_remove_warning(int id)
{
printk(KERN_WARNING
"idr_remove called for id=%d which is not allocated.\n", id);
dump_stack();
WARN(1, "idr_remove called for id=%d which is not allocated.\n", id);
}
static void sub_remove(struct idr *idp, int shift, int id)
@ -1064,8 +1062,7 @@ void ida_remove(struct ida *ida, int id)
return;
err:
printk(KERN_WARNING
"ida_remove called for id=%d which is not allocated.\n", id);
WARN(1, "ida_remove called for id=%d which is not allocated.\n", id);
}
EXPORT_SYMBOL(ida_remove);