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authorDavid Brown <davidb@codeaurora.org>2011-03-16 22:13:16 -0700
committerDavid Brown <davidb@codeaurora.org>2011-03-16 22:13:16 -0700
commit92c260f755c42337c550d8ac1f8ccd1b32bffb20 (patch)
tree6d04fefc1adeecabfb2b00c201e0db78fa2b5529 /lib/list_debug.c
parent8e76a80960bf06c245160a484d5a363ca6b520bb (diff)
parent05e34754518b6a90d5c392790c032575fab12d66 (diff)
Merge remote branch 'rmk/for-linus' into for-linus
* rmk/for-linus: (1557 commits) ARM: 6806/1: irq: introduce entry and exit functions for chained handlers ARM: 6781/1: Thumb-2: Work around buggy Thumb-2 short branch relocations in gas ARM: 6747/1: P2V: Thumb2 support ARM: 6798/1: aout-core: zero thread debug registers in a.out core dump ARM: 6796/1: Footbridge: Fix I/O mappings for NOMMU mode ARM: 6784/1: errata: no automatic Store Buffer drain on Cortex-A9 ARM: 6772/1: errata: possible fault MMU translations following an ASID switch ARM: 6776/1: mach-ux500: activate fix for errata 753970 ARM: 6794/1: SPEAr: Append UL to device address macros. ARM: 6793/1: SPEAr: Remove unused *_SIZE macros from spear*.h files ARM: 6792/1: SPEAr: Replace SIZE macro's with SZ_4K macros ARM: 6791/1: SPEAr3xx: Declare device structures after shirq code ARM: 6790/1: SPEAr: Clock Framework: Rename usbd clock and align apb_clk entry ARM: 6789/1: SPEAr3xx: Rename sdio to sdhci ARM: 6788/1: SPEAr: Include mach/hardware.h instead of mach/spear.h ARM: 6787/1: SPEAr: Reorder #includes in .h & .c files. ARM: 6681/1: SPEAr: add debugfs support to clk API ARM: 6703/1: SPEAr: update clk API support ARM: 6679/1: SPEAr: make clk API functions more generic ARM: 6737/1: SPEAr: formalized timer support ... Conflicts: arch/arm/mach-msm/board-msm7x27.c arch/arm/mach-msm/board-msm7x30.c arch/arm/mach-msm/board-qsd8x50.c arch/arm/mach-msm/board-sapphire.c arch/arm/mach-msm/include/mach/memory.h
Diffstat (limited to 'lib/list_debug.c')
-rw-r--r--lib/list_debug.c39
1 files changed, 26 insertions, 13 deletions
diff --git a/lib/list_debug.c b/lib/list_debug.c
index 344c710d16ca..b8029a5583ff 100644
--- a/lib/list_debug.c
+++ b/lib/list_debug.c
@@ -35,6 +35,31 @@ void __list_add(struct list_head *new,
}
EXPORT_SYMBOL(__list_add);
+void __list_del_entry(struct list_head *entry)
+{
+ struct list_head *prev, *next;
+
+ prev = entry->prev;
+ next = entry->next;
+
+ if (WARN(next == LIST_POISON1,
+ "list_del corruption, %p->next is LIST_POISON1 (%p)\n",
+ entry, LIST_POISON1) ||
+ WARN(prev == LIST_POISON2,
+ "list_del corruption, %p->prev is LIST_POISON2 (%p)\n",
+ entry, LIST_POISON2) ||
+ WARN(prev->next != entry,
+ "list_del corruption. prev->next should be %p, "
+ "but was %p\n", entry, prev->next) ||
+ WARN(next->prev != entry,
+ "list_del corruption. next->prev should be %p, "
+ "but was %p\n", entry, next->prev))
+ return;
+
+ __list_del(prev, next);
+}
+EXPORT_SYMBOL(__list_del_entry);
+
/**
* list_del - deletes entry from list.
* @entry: the element to delete from the list.
@@ -43,19 +68,7 @@ EXPORT_SYMBOL(__list_add);
*/
void list_del(struct list_head *entry)
{
- WARN(entry->next == LIST_POISON1,
- "list_del corruption, next is LIST_POISON1 (%p)\n",
- LIST_POISON1);
- WARN(entry->next != LIST_POISON1 && entry->prev == LIST_POISON2,
- "list_del corruption, prev is LIST_POISON2 (%p)\n",
- LIST_POISON2);
- WARN(entry->prev->next != entry,
- "list_del corruption. prev->next should be %p, "
- "but was %p\n", entry, entry->prev->next);
- WARN(entry->next->prev != entry,
- "list_del corruption. next->prev should be %p, "
- "but was %p\n", entry, entry->next->prev);
- __list_del(entry->prev, entry->next);
+ __list_del_entry(entry);
entry->next = LIST_POISON1;
entry->prev = LIST_POISON2;
}