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From: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
To: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Cc: barebox@lists.infradead.org
Subject: [PATCH v2 02/22] OF: base: bail out early on missing matches for of_match_node
Date: Wed, 19 Jun 2013 11:09:31 +0200	[thread overview]
Message-ID: <1371632991-1504-3-git-send-email-sebastian.hesselbarth@gmail.com> (raw)
In-Reply-To: <1371576607-8090-1-git-send-email-sebastian.hesselbarth@gmail.com>

of_match_node checks for compatiblity between a set of matches and a
node. Neither the matches nor node pointer are checked for validity.
This adds the required checks to of_match_node.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
---
Cc: barebox@lists.infradead.org
---
 drivers/of/base.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/of/base.c b/drivers/of/base.c
index 4241e65..ab0f4cd 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -321,6 +321,9 @@ EXPORT_SYMBOL(of_device_is_compatible);
 const struct of_device_id *of_match_node(const struct of_device_id *matches,
 					 const struct device_node *node)
 {
+	if (!matches || !node)
+		return NULL;
+
 	while (matches->compatible) {
 		if (of_device_is_compatible(node, matches->compatible) == 1)
 			return matches;
-- 
1.7.2.5


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  parent reply	other threads:[~2013-06-19  9:10 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-18 17:29 [PATCH 00/22] Barebox OF API fixes, sync, and cleanup Sebastian Hesselbarth
2013-06-18 17:29 ` [PATCH 01/22] lib: string: import case-insensitive string compare Sebastian Hesselbarth
2013-06-18 17:29 ` [PATCH 02/22] OF: base: bail out early on missing matches for of_match_node Sebastian Hesselbarth
2013-06-18 17:29 ` [PATCH 03/22] OF: base: also update property length on of_property_write_u32 Sebastian Hesselbarth
2013-06-18 17:29 ` [PATCH 04/22] OF: base: export of_alias_scan Sebastian Hesselbarth
2013-06-18 17:29 ` [PATCH 05/22] OF: base: convert strcmp to default string compare functions Sebastian Hesselbarth
2013-06-18 17:29 ` [PATCH 06/22] OF: base: sync of_find_property with linux OF API Sebastian Hesselbarth
2013-06-18 17:29 ` [PATCH 07/22] OF: base: sync of_find_node_by_path " Sebastian Hesselbarth
2013-06-18 20:13   ` Sascha Hauer
2013-06-18 20:19     ` Sebastian Hesselbarth
2013-06-18 17:29 ` [PATCH 08/22] OF: base: rename of_node_disabled to of_device_is_available Sebastian Hesselbarth
2013-06-18 17:29 ` [PATCH 09/22] OF: base: import of_find_node_by_name from Linux OF API Sebastian Hesselbarth
2013-06-18 17:29 ` [PATCH 10/22] OF: base: import of_find_compatible_node " Sebastian Hesselbarth
2013-06-18 17:29 ` [PATCH 11/22] OF: base: import of_find_matching_node_and_match " Sebastian Hesselbarth
2013-06-18 17:29 ` [PATCH 12/22] OF: base: import of_find_node_with_property " Sebastian Hesselbarth
2013-06-18 17:29 ` [PATCH 13/22] OF: base: import parent/child functions " Sebastian Hesselbarth
2013-06-18 20:18   ` Sascha Hauer
2013-06-18 20:29   ` Sascha Hauer
2013-06-18 20:34     ` Sebastian Hesselbarth
2013-06-18 17:29 ` [PATCH 14/22] OF: base: import of_property_read_* helpers " Sebastian Hesselbarth
2013-06-18 17:30 ` [PATCH 15/22] OF: base: import of_parse_phandle " Sebastian Hesselbarth
2013-06-18 17:30 ` [PATCH 16/22] OF: base: import parse phandle functions " Sebastian Hesselbarth
2013-06-18 17:30 ` [PATCH 17/22] OF: base: introduce property write for bool, u8, u16, and u64 Sebastian Hesselbarth
2013-06-18 17:30 ` [PATCH 18/22] OF: base: import property iterators from Linux OF API Sebastian Hesselbarth
2013-06-18 17:30 ` [PATCH 19/22] OF: base: remove of_tree_for_each_node from public API Sebastian Hesselbarth
2013-06-18 17:30 ` [PATCH 20/22] OF: base: remove of_find_child_by_name Sebastian Hesselbarth
2013-06-18 17:30 ` [PATCH 21/22] OF: base: convert and remove device_node_for_nach_child Sebastian Hesselbarth
2013-06-18 17:30 ` [PATCH 22/22] OF: base: cleanup base function include Sebastian Hesselbarth
2013-06-19  9:09 ` [PATCH v2 00/22] Barebox OF API fixes, sync, and cleanup Sebastian Hesselbarth
2013-06-20  9:18   ` Sascha Hauer
2013-06-19  9:09 ` [PATCH v2 01/22] lib: string: import case-insensitive string compare Sebastian Hesselbarth
2013-06-20  9:04   ` Sascha Hauer
2013-06-19  9:09 ` Sebastian Hesselbarth [this message]
2013-06-19  9:09 ` [PATCH v2 03/22] OF: base: also update property length on of_property_write_u32 Sebastian Hesselbarth
2013-06-19  9:09 ` [PATCH v2 04/22] OF: base: export of_alias_scan Sebastian Hesselbarth
2013-06-19  9:09 ` [PATCH v2 05/22] OF: base: convert strcmp to default string compare functions Sebastian Hesselbarth
2013-06-19  9:09 ` [PATCH v2 06/22] OF: base: sync of_find_property with linux OF API Sebastian Hesselbarth
2013-06-20  8:57   ` Sascha Hauer
2013-06-19  9:09 ` [PATCH v2 07/22] OF: base: sync of_find_node_by_path " Sebastian Hesselbarth
2013-06-19  9:09 ` [PATCH v2 08/22] OF: base: rename of_node_disabled to of_device_is_available Sebastian Hesselbarth
2013-06-19  9:09 ` [PATCH v2 09/22] OF: base: import of_find_node_by_name from Linux OF API Sebastian Hesselbarth
2013-06-19  9:09 ` [PATCH v2 10/22] OF: base: import of_find_compatible_node " Sebastian Hesselbarth
2013-06-19  9:09 ` [PATCH v2 11/22] OF: base: import of_find_matching_node_and_match " Sebastian Hesselbarth
2013-06-19  9:09 ` [PATCH v2 12/22] OF: base: import of_find_node_with_property " Sebastian Hesselbarth
2013-06-19  9:09 ` [PATCH v2 13/22] OF: base: import parent/child functions " Sebastian Hesselbarth
2013-06-19  9:09 ` [PATCH v2 14/22] OF: base: import of_property_read_* helpers " Sebastian Hesselbarth
2013-06-19  9:09 ` [PATCH v2 15/22] OF: base: import of_parse_phandle " Sebastian Hesselbarth
2013-06-19  9:09 ` [PATCH v2 16/22] OF: base: import parse phandle functions " Sebastian Hesselbarth
2013-06-20  8:33   ` Sascha Hauer
2013-06-19  9:09 ` [PATCH v2 17/22] OF: base: introduce property write for bool, u8, u16, and u64 Sebastian Hesselbarth
2013-06-19  9:09 ` [PATCH v2 18/22] OF: base: import property iterators from Linux OF API Sebastian Hesselbarth
2013-06-19  9:09 ` [PATCH v2 19/22] OF: base: remove of_tree_for_each_node from public API Sebastian Hesselbarth
2013-06-19  9:09 ` [PATCH v2 20/22] OF: base: remove of_find_child_by_name Sebastian Hesselbarth
2013-06-19  9:09 ` [PATCH v2 21/22] OF: base: convert and remove device_node_for_nach_child Sebastian Hesselbarth
2013-06-19  9:09 ` [PATCH v2 22/22] OF: base: cleanup base function include Sebastian Hesselbarth

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