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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22768 3c298f89-4303-0410-b956-a3cf2f4a3e73
48 lines
1.4 KiB
Diff
48 lines
1.4 KiB
Diff
From ff7295cc37b1e4b31aed9f071374f43aa128329b Mon Sep 17 00:00:00 2001
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From: Hauke Mehrtens <hauke@hauke-m.de>
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Date: Fri, 30 Jul 2010 17:45:20 +0200
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Subject: [PATCH 5/6] MIPS: BCM47xx: nvram_getenv fix return value.
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nvram_getenv should behave like cfe_getenv. For now it is used like
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cfe_getenv. cfe_getenv returns 0 on success and -1 in case of an error.
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Change nvram_getenv to do the same.
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Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
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---
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arch/mips/bcm47xx/nvram.c | 4 ++--
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arch/mips/include/asm/mach-bcm47xx/nvram.h | 3 +++
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2 files changed, 5 insertions(+), 2 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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@@ -69,7 +69,7 @@ int nvram_getenv(char *name, char *val,
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char *var, *value, *end, *eq;
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if (!name)
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- return 1;
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+ return NVRAM_ERR_INV_PARAM;
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if (!nvram_buf[0])
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early_nvram_init();
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@@ -89,6 +89,6 @@ int nvram_getenv(char *name, char *val,
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return 0;
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}
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}
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- return 1;
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+ return NVRAM_ERR_ENVNOTFOUND;
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}
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EXPORT_SYMBOL(nvram_getenv);
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--- a/arch/mips/include/asm/mach-bcm47xx/nvram.h
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+++ b/arch/mips/include/asm/mach-bcm47xx/nvram.h
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@@ -31,6 +31,10 @@ struct nvram_header {
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#define NVRAM_MAX_VALUE_LEN 255
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#define NVRAM_MAX_PARAM_LEN 64
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+// TODO: replace by old values. This chaueses that the system will not try to look into the cfe.
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+#define NVRAM_ERR_INV_PARAM 1 // -8
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+#define NVRAM_ERR_ENVNOTFOUND 1 // -9
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+
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extern int nvram_getenv(char *name, char *val, size_t val_len);
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#endif
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