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b5b630ae38
This adds support for kernel 4.1 and removes kernel 4.0. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> SVN-Revision: 46166
55 lines
1.9 KiB
Diff
55 lines
1.9 KiB
Diff
From 4ddb225376a2802a4e20e16f71c6d37b679e3169 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
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Date: Tue, 12 May 2015 18:46:11 +0200
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Subject: [PATCH] MIPS: BCM47XX: Make sure NVRAM buffer ends with \0
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This will simplify reading its contents.
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
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Cc: linux-mips@linux-mips.org
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Cc: Hauke Mehrtens <hauke@hauke-m.de>
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Cc: Hante Meuleman <meuleman@broadcom.com>
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Cc: Ian Kent <raven@themaw.net>
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Patchwork: https://patchwork.linux-mips.org/patch/10031/
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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---
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arch/mips/bcm47xx/nvram.c | 9 +++++----
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1 file changed, 5 insertions(+), 4 deletions(-)
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--- a/arch/mips/bcm47xx/nvram.c
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+++ b/arch/mips/bcm47xx/nvram.c
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@@ -98,7 +98,7 @@ found:
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pr_err("The nvram size accoridng to the header seems to be bigger than the partition on flash\n");
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if (header->len > NVRAM_SPACE)
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pr_err("nvram on flash (%i bytes) is bigger than the reserved space in memory, will just copy the first %i bytes\n",
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- header->len, NVRAM_SPACE);
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+ header->len, NVRAM_SPACE - 1);
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src = (u32 *)header;
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dst = (u32 *)nvram_buf;
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@@ -106,6 +106,7 @@ found:
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*dst++ = __raw_readl(src++);
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for (; i < header->len && i < NVRAM_SPACE && i < size; i += 4)
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*dst++ = readl(src++);
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+ nvram_buf[NVRAM_SPACE - 1] = '\0';
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return 0;
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}
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@@ -150,10 +151,10 @@ static int nvram_init(void)
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u8 *dst = (uint8_t *)nvram_buf;
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size_t len = header.len;
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- if (header.len > NVRAM_SPACE) {
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+ if (len >= NVRAM_SPACE) {
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+ len = NVRAM_SPACE - 1;
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pr_err("nvram on flash (%i bytes) is bigger than the reserved space in memory, will just copy the first %i bytes\n",
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- header.len, NVRAM_SPACE);
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- len = NVRAM_SPACE;
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+ header.len, len);
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}
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err = mtd_read(mtd, 0, len, &bytes_read, dst);
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