From 74d00a8c3849c1340efd713eb94b786e304c201f Mon Sep 17 00:00:00 2001 From: John Crispin Date: Sun, 25 Dec 2016 20:11:34 +0100 Subject: kernel: split patches folder up into backport, pending and hack folders * properly format/comment all patches * merge debloat patches * merge Kconfig patches * merge swconfig patches * merge hotplug patches * drop 200-fix_localversion.patch - upstream * drop 222-arm_zimage_none.patch - unused * drop 252-mv_cesa_depends.patch - no longer required * drop 410-mtd-move-forward-declaration-of-struct-mtd_info.patch - unused * drop 661-fq_codel_keep_dropped_stats.patch - outdated * drop 702-phy_add_aneg_done_function.patch - upstream * drop 840-rtc7301.patch - unused * drop 841-rtc_pt7c4338.patch - upstream * drop 921-use_preinit_as_init.patch - unused * drop spio-gpio-old and gpio-mmc - unused Signed-off-by: John Crispin --- ...vm-version-of-alloc_etherdev_mqs-function.patch | 69 ++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 target/linux/generic/backport-4.9/022-net-add-devm-version-of-alloc_etherdev_mqs-function.patch (limited to 'target/linux/generic/backport-4.9/022-net-add-devm-version-of-alloc_etherdev_mqs-function.patch') diff --git a/target/linux/generic/backport-4.9/022-net-add-devm-version-of-alloc_etherdev_mqs-function.patch b/target/linux/generic/backport-4.9/022-net-add-devm-version-of-alloc_etherdev_mqs-function.patch new file mode 100644 index 0000000000..c5d65b7105 --- /dev/null +++ b/target/linux/generic/backport-4.9/022-net-add-devm-version-of-alloc_etherdev_mqs-function.patch @@ -0,0 +1,69 @@ +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= +Date: Sat, 28 Jan 2017 15:15:42 +0100 +Subject: [PATCH] net: add devm version of alloc_etherdev_mqs function +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +This patch adds devm_alloc_etherdev_mqs function and devm_alloc_etherdev +macro. These can be used for simpler netdev allocation without having to +care about calling free_netdev. + +Thanks to this change drivers, their error paths and removal paths may +get simpler by a bit. + +Signed-off-by: Rafał Miłecki +Signed-off-by: David S. Miller +--- + +--- a/include/linux/etherdevice.h ++++ b/include/linux/etherdevice.h +@@ -54,6 +54,11 @@ struct net_device *alloc_etherdev_mqs(in + #define alloc_etherdev(sizeof_priv) alloc_etherdev_mq(sizeof_priv, 1) + #define alloc_etherdev_mq(sizeof_priv, count) alloc_etherdev_mqs(sizeof_priv, count, count) + ++struct net_device *devm_alloc_etherdev_mqs(struct device *dev, int sizeof_priv, ++ unsigned int txqs, ++ unsigned int rxqs); ++#define devm_alloc_etherdev(dev, sizeof_priv) devm_alloc_etherdev_mqs(dev, sizeof_priv, 1, 1) ++ + struct sk_buff **eth_gro_receive(struct sk_buff **head, + struct sk_buff *skb); + int eth_gro_complete(struct sk_buff *skb, int nhoff); +--- a/net/ethernet/eth.c ++++ b/net/ethernet/eth.c +@@ -391,6 +391,34 @@ struct net_device *alloc_etherdev_mqs(in + } + EXPORT_SYMBOL(alloc_etherdev_mqs); + ++static void devm_free_netdev(struct device *dev, void *res) ++{ ++ free_netdev(*(struct net_device **)res); ++} ++ ++struct net_device *devm_alloc_etherdev_mqs(struct device *dev, int sizeof_priv, ++ unsigned int txqs, unsigned int rxqs) ++{ ++ struct net_device **dr; ++ struct net_device *netdev; ++ ++ dr = devres_alloc(devm_free_netdev, sizeof(*dr), GFP_KERNEL); ++ if (!dr) ++ return NULL; ++ ++ netdev = alloc_etherdev_mqs(sizeof_priv, txqs, rxqs); ++ if (!netdev) { ++ devres_free(dr); ++ return NULL; ++ } ++ ++ *dr = netdev; ++ devres_add(dev, dr); ++ ++ return netdev; ++} ++EXPORT_SYMBOL(devm_alloc_etherdev_mqs); ++ + ssize_t sysfs_format_mac(char *buf, const unsigned char *addr, int len) + { + return scnprintf(buf, PAGE_SIZE, "%*phC\n", len, addr); -- cgit v1.2.3