memblock: memblock_phys_alloc(): don't panic

Make the memblock_phys_alloc() function an inline wrapper for
memblock_phys_alloc_range() and update the memblock_phys_alloc() callers
to check the returned value and panic in case of error.

Link: http://lkml.kernel.org/r/1548057848-15136-8-git-send-email-rppt@linux.ibm.com
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christophe Leroy <christophe.leroy@c-s.fr>
Cc: Christoph Hellwig <hch@lst.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Dennis Zhou <dennis@kernel.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Guan Xuetao <gxt@pku.edu.cn>
Cc: Guo Ren <guoren@kernel.org>
Cc: Guo Ren <ren_guo@c-sky.com>				[c-sky]
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Juergen Gross <jgross@suse.com>			[Xen]
Cc: Mark Salter <msalter@redhat.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Paul Burton <paul.burton@mips.com>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Rich Felker <dalias@libc.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Rob Herring <robh@kernel.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Stafford Horne <shorne@gmail.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

5 files changed, 21 insertions, 0 deletions

diff --git a/arch/sh/boards/mach-ap325rxa/setup.c b/arch/sh/boards/mach-ap325rxa/setup.c
index 97774424fbee..8301a4378f50 100644
--- a/arch/sh/boards/mach-ap325rxa/setup.c
+++ b/arch/sh/boards/mach-ap325rxa/setup.c
@@ -557,6 +557,9 @@ static void __init ap325rxa_mv_mem_reserve(void)
 	phys_addr_t size = CEU_BUFFER_MEMORY_SIZE;
 
 	phys = memblock_phys_alloc(size, PAGE_SIZE);
+	if (!phys)
+		panic("Failed to allocate CEU memory\n");
+
 	memblock_free(phys, size);
 	memblock_remove(phys, size);
 
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index d329bf3be487..34e5414c5563 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -1477,11 +1477,17 @@ static void __init ecovec_mv_mem_reserve(void)
 	phys_addr_t size = CEU_BUFFER_MEMORY_SIZE;
 
 	phys = memblock_phys_alloc(size, PAGE_SIZE);
+	if (!phys)
+		panic("Failed to allocate CEU0 memory\n");
+
 	memblock_free(phys, size);
 	memblock_remove(phys, size);
 	ceu0_dma_membase = phys;
 
 	phys = memblock_phys_alloc(size, PAGE_SIZE);
+	if (!phys)
+		panic("Failed to allocate CEU1 memory\n");
+
 	memblock_free(phys, size);
 	memblock_remove(phys, size);
 	ceu1_dma_membase = phys;
diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c
index 5c258ae9c43a..1cf9a47ac90e 100644
--- a/arch/sh/boards/mach-kfr2r09/setup.c
+++ b/arch/sh/boards/mach-kfr2r09/setup.c
@@ -631,6 +631,9 @@ static void __init kfr2r09_mv_mem_reserve(void)
 	phys_addr_t size = CEU_BUFFER_MEMORY_SIZE;
 
 	phys = memblock_phys_alloc(size, PAGE_SIZE);
+	if (!phys)
+		panic("Failed to allocate CEU memory\n");
+
 	memblock_free(phys, size);
 	memblock_remove(phys, size);
 
diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c
index 193d91bb84bf..90702740f207 100644
--- a/arch/sh/boards/mach-migor/setup.c
+++ b/arch/sh/boards/mach-migor/setup.c
@@ -631,6 +631,9 @@ static void __init migor_mv_mem_reserve(void)
 	phys_addr_t size = CEU_BUFFER_MEMORY_SIZE;
 
 	phys = memblock_phys_alloc(size, PAGE_SIZE);
+	if (!phys)
+		panic("Failed to allocate CEU memory\n");
+
 	memblock_free(phys, size);
 	memblock_remove(phys, size);
 
diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index 5c7aa37bfd86..3674064816c7 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -964,11 +964,17 @@ static void __init ms7724se_mv_mem_reserve(void)
 	phys_addr_t size = CEU_BUFFER_MEMORY_SIZE;
 
 	phys = memblock_phys_alloc(size, PAGE_SIZE);
+	if (!phys)
+		panic("Failed to allocate CEU0 memory\n");
+
 	memblock_free(phys, size);
 	memblock_remove(phys, size);
 	ceu0_dma_membase = phys;
 
 	phys = memblock_phys_alloc(size, PAGE_SIZE);
+	if (!phys)
+		panic("Failed to allocate CEU1 memory\n");
+
 	memblock_free(phys, size);
 	memblock_remove(phys, size);
 	ceu1_dma_membase = phys;