Commit 1fbbed41 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'devicetree-fixes-for-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux 

Pull DeviceTree fixes from Rob Herring:

 - fix missing allocation failure handling in fdt code

 - fix dtc compile error on 32-bit hosts

 - revert bad sparse changes causing GCC7 warnings

* tag 'devicetree-fixes-for-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  of: fdt: add missing allocation-failure check
  dtc: check.c fix compile error
  Partially Revert "of: fix sparse warnings in fdt, irq, reserved mem, and resolver code"
parents f538a82c 49e67dd1

drivers/of/fdt.c

+3 −0
Original line number Diff line number Diff line
@@ -507,6 +507,9 @@ void *__unflatten_device_tree(const void *blob, 


	/* Allocate memory for the expanded device tree */

	mem = dt_alloc(size + 4, __alignof__(struct device_node));

	if (!mem)

		return NULL;



	memset(mem, 0, size);



	*(__be32 *)(mem + size) = cpu_to_be32(0xdeadbeef);

drivers/of/of_reserved_mem.c

+1 −1
Original line number Diff line number Diff line
@@ -197,7 +197,7 @@ static int __init __reserved_mem_init_node(struct reserved_mem *rmem) 
	const struct of_device_id *i;



	for (i = __reservedmem_of_table; i < &__rmem_of_table_sentinel; i++) {

		int const (*initfn)(struct reserved_mem *rmem) = i->data;

		reservedmem_of_init_fn initfn = i->data;

		const char *compat = i->compatible;



		if (!of_flat_dt_is_compatible(rmem->fdt_node, compat))

include/linux/of_irq.h

+1 −1
Original line number Diff line number Diff line
@@ -8,7 +8,7 @@ 
#include <linux/ioport.h>

#include <linux/of.h>



typedef int const (*of_irq_init_cb_t)(struct device_node *, struct device_node *);

typedef int (*of_irq_init_cb_t)(struct device_node *, struct device_node *);



/*

 * Workarounds only applied to 32bit powermac machines

scripts/dtc/checks.c

+1 −1
Original line number Diff line number Diff line
@@ -873,7 +873,7 @@ static void check_simple_bus_reg(struct check *c, struct dt_info *dti, struct no 
	while (size--)

		reg = (reg << 32) | fdt32_to_cpu(*(cells++));



	snprintf(unit_addr, sizeof(unit_addr), "%lx", reg);

	snprintf(unit_addr, sizeof(unit_addr), "%zx", reg);

	if (!streq(unitname, unit_addr))

		FAIL(c, dti, "Node %s simple-bus unit address format error, expected \"%s\"",

		     node->fullpath, unit_addr);

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