From 5b5ad5ba01cebe6a749bcf5c9fc9637876fe0b1f Mon Sep 17 00:00:00 2001 From: Luka Perkov Date: Tue, 11 Feb 2014 02:07:44 +0000 Subject: mvebu: backport mainline patches from kernel 3.13 This is a backport of the patches accepted to the Linux mainline related to mvebu SoC (Armada XP and Armada 370) between Linux v3.12, and Linux v3.13. This work mainly covers: * Finishes work for sharing the pxa nand driver(drivers/mtd/nand/pxa3xx_nand.c) between the PXA family, and the Armada family. * timer initialization update, and access function for the Armada family. * Generic IRQ handling backporting. * Some bug fixes. Signed-off-by: Seif Mazareeb CC: Luka Perkov git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39566 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- ...d-calling-list_first_entry-for-empty-list.patch | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 target/linux/mvebu/patches-3.10/0177-of-irq-Avoid-calling-list_first_entry-for-empty-list.patch (limited to 'target/linux/mvebu/patches-3.10/0177-of-irq-Avoid-calling-list_first_entry-for-empty-list.patch') diff --git a/target/linux/mvebu/patches-3.10/0177-of-irq-Avoid-calling-list_first_entry-for-empty-list.patch b/target/linux/mvebu/patches-3.10/0177-of-irq-Avoid-calling-list_first_entry-for-empty-list.patch new file mode 100644 index 0000000000..14b3d13b03 --- /dev/null +++ b/target/linux/mvebu/patches-3.10/0177-of-irq-Avoid-calling-list_first_entry-for-empty-list.patch @@ -0,0 +1,30 @@ +From f159ea8ab3bce09a098d0d56c9e8909f385b87aa Mon Sep 17 00:00:00 2001 +From: Axel Lin +Date: Thu, 19 Dec 2013 09:30:48 -0300 +Subject: [PATCH 177/203] of/irq: Avoid calling list_first_entry() for empty + list + +list_first_entry() expects the list is not empty, we need to check if list is +empty before calling list_first_entry(). Thus use list_first_entry_or_null() +instead of list_first_entry(). + +Signed-off-by: Axel Lin +Signed-off-by: Grant Likely +--- + drivers/of/irq.c | 5 +++-- + 1 file changed, 3 insertions(+), 2 deletions(-) + +--- a/drivers/of/irq.c ++++ b/drivers/of/irq.c +@@ -488,8 +488,9 @@ void __init of_irq_init(const struct of_ + } + + /* Get the next pending parent that might have children */ +- desc = list_first_entry(&intc_parent_list, typeof(*desc), list); +- if (list_empty(&intc_parent_list) || !desc) { ++ desc = list_first_entry_or_null(&intc_parent_list, ++ typeof(*desc), list); ++ if (!desc) { + pr_err("of_irq_init: children remain, but no parents\n"); + break; + } -- cgit v1.2.3