diff options
Diffstat (limited to 'target/linux/generic/backport-5.10/416-v6.1-mtd-core-add-missing-of_node_get-in-dynamic-partitio.patch')
| -rw-r--r-- | target/linux/generic/backport-5.10/416-v6.1-mtd-core-add-missing-of_node_get-in-dynamic-partitio.patch | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/target/linux/generic/backport-5.10/416-v6.1-mtd-core-add-missing-of_node_get-in-dynamic-partitio.patch b/target/linux/generic/backport-5.10/416-v6.1-mtd-core-add-missing-of_node_get-in-dynamic-partitio.patch deleted file mode 100644 index 0c359c65f8..0000000000 --- a/target/linux/generic/backport-5.10/416-v6.1-mtd-core-add-missing-of_node_get-in-dynamic-partitio.patch +++ /dev/null @@ -1,101 +0,0 @@ -From 12b58961de0bd88b3c7dfa5d21f6d67f4678b780 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> -Date: Tue, 18 Oct 2022 07:18:22 +0200 -Subject: [PATCH] mtd: core: add missing of_node_get() in dynamic partitions - code -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -This fixes unbalanced of_node_put(): -[ 1.078910] 6 cmdlinepart partitions found on MTD device gpmi-nand -[ 1.085116] Creating 6 MTD partitions on "gpmi-nand": -[ 1.090181] 0x000000000000-0x000008000000 : "nandboot" -[ 1.096952] 0x000008000000-0x000009000000 : "nandfit" -[ 1.103547] 0x000009000000-0x00000b000000 : "nandkernel" -[ 1.110317] 0x00000b000000-0x00000c000000 : "nanddtb" -[ 1.115525] ------------[ cut here ]------------ -[ 1.120141] refcount_t: addition on 0; use-after-free. -[ 1.125328] WARNING: CPU: 0 PID: 1 at lib/refcount.c:25 refcount_warn_saturate+0xdc/0x148 -[ 1.133528] Modules linked in: -[ 1.136589] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.0.0-rc7-next-20220930-04543-g8cf3f7 -[ 1.146342] Hardware name: Freescale i.MX8DXL DDR3L EVK (DT) -[ 1.151999] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--) -[ 1.158965] pc : refcount_warn_saturate+0xdc/0x148 -[ 1.163760] lr : refcount_warn_saturate+0xdc/0x148 -[ 1.168556] sp : ffff800009ddb080 -[ 1.171866] x29: ffff800009ddb080 x28: ffff800009ddb35a x27: 0000000000000002 -[ 1.179015] x26: ffff8000098b06ad x25: ffffffffffffffff x24: ffff0a00ffffff05 -[ 1.186165] x23: ffff00001fdf6470 x22: ffff800009ddb367 x21: 0000000000000000 -[ 1.193314] x20: ffff00001fdfebe8 x19: ffff00001fdfec50 x18: ffffffffffffffff -[ 1.200464] x17: 0000000000000000 x16: 0000000000000118 x15: 0000000000000004 -[ 1.207614] x14: 0000000000000fff x13: ffff800009bca248 x12: 0000000000000003 -[ 1.214764] x11: 00000000ffffefff x10: c0000000ffffefff x9 : 4762cb2ccb52de00 -[ 1.221914] x8 : 4762cb2ccb52de00 x7 : 205d313431303231 x6 : 312e31202020205b -[ 1.229063] x5 : ffff800009d55c1f x4 : 0000000000000001 x3 : 0000000000000000 -[ 1.236213] x2 : 0000000000000000 x1 : ffff800009954be6 x0 : 000000000000002a -[ 1.243365] Call trace: -[ 1.245806] refcount_warn_saturate+0xdc/0x148 -[ 1.250253] kobject_get+0x98/0x9c -[ 1.253658] of_node_get+0x20/0x34 -[ 1.257072] of_fwnode_get+0x3c/0x54 -[ 1.260652] fwnode_get_nth_parent+0xd8/0xf4 -[ 1.264926] fwnode_full_name_string+0x3c/0xb4 -[ 1.269373] device_node_string+0x498/0x5b4 -[ 1.273561] pointer+0x41c/0x5d0 -[ 1.276793] vsnprintf+0x4d8/0x694 -[ 1.280198] vprintk_store+0x164/0x528 -[ 1.283951] vprintk_emit+0x98/0x164 -[ 1.287530] vprintk_default+0x44/0x6c -[ 1.291284] vprintk+0xf0/0x134 -[ 1.294428] _printk+0x54/0x7c -[ 1.297486] of_node_release+0xe8/0x128 -[ 1.301326] kobject_put+0x98/0xfc -[ 1.304732] of_node_put+0x1c/0x28 -[ 1.308137] add_mtd_device+0x484/0x6d4 -[ 1.311977] add_mtd_partitions+0xf0/0x1d0 -[ 1.316078] parse_mtd_partitions+0x45c/0x518 -[ 1.320439] mtd_device_parse_register+0xb0/0x274 -[ 1.325147] gpmi_nand_probe+0x51c/0x650 -[ 1.329074] platform_probe+0xa8/0xd0 -[ 1.332740] really_probe+0x130/0x334 -[ 1.336406] __driver_probe_device+0xb4/0xe0 -[ 1.340681] driver_probe_device+0x3c/0x1f8 -[ 1.344869] __driver_attach+0xdc/0x1a4 -[ 1.348708] bus_for_each_dev+0x80/0xcc -[ 1.352548] driver_attach+0x24/0x30 -[ 1.356127] bus_add_driver+0x108/0x1f4 -[ 1.359967] driver_register+0x78/0x114 -[ 1.363807] __platform_driver_register+0x24/0x30 -[ 1.368515] gpmi_nand_driver_init+0x1c/0x28 -[ 1.372798] do_one_initcall+0xbc/0x238 -[ 1.376638] do_initcall_level+0x94/0xb4 -[ 1.380565] do_initcalls+0x54/0x94 -[ 1.384058] do_basic_setup+0x1c/0x28 -[ 1.387724] kernel_init_freeable+0x110/0x188 -[ 1.392084] kernel_init+0x20/0x1a0 -[ 1.395578] ret_from_fork+0x10/0x20 -[ 1.399157] ---[ end trace 0000000000000000 ]--- -[ 1.403782] ------------[ cut here ]------------ - -Reported-by: Han Xu <han.xu@nxp.com> -Fixes: ad9b10d1eaada169 ("mtd: core: introduce of support for dynamic partitions") -Signed-off-by: Rafał Miłecki <rafal@milecki.pl> -Tested-by: Han Xu <han.xu@nxp.com> -Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> -Link: https://lore.kernel.org/linux-mtd/20221018051822.28685-1-zajec5@gmail.com ---- - drivers/mtd/mtdcore.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - ---- a/drivers/mtd/mtdcore.c -+++ b/drivers/mtd/mtdcore.c -@@ -577,7 +577,7 @@ static void mtd_check_of_node(struct mtd - if (!mtd_is_partition(mtd)) - return; - parent = mtd->parent; -- parent_dn = dev_of_node(&parent->dev); -+ parent_dn = of_node_get(dev_of_node(&parent->dev)); - if (!parent_dn) - return; - |