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author | Gabor Juhos <juhosg@openwrt.org> | 2009-07-13 09:34:49 +0000 |
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committer | Gabor Juhos <juhosg@openwrt.org> | 2009-07-13 09:34:49 +0000 |
commit | 091e02823996bd67001eb3680d999804cb82099f (patch) | |
tree | 689fbefcf1dfc49d45791736456d7da3835ec6e4 /target | |
parent | ddbd14a23bed83c68433471025b45d27aca05f18 (diff) | |
download | master-31e0f0ae-091e02823996bd67001eb3680d999804cb82099f.tar.gz master-31e0f0ae-091e02823996bd67001eb3680d999804cb82099f.tar.bz2 master-31e0f0ae-091e02823996bd67001eb3680d999804cb82099f.zip |
MIPS: fix loading of modules with unresolved weak symbols
SVN-Revision: 16823
Diffstat (limited to 'target')
3 files changed, 126 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.28/025-mips_fix_loading_of_modules_with_unresolved_weak_sy.patch b/target/linux/generic-2.6/patches-2.6.28/025-mips_fix_loading_of_modules_with_unresolved_weak_sy.patch new file mode 100644 index 0000000000..20c6132e4f --- /dev/null +++ b/target/linux/generic-2.6/patches-2.6.28/025-mips_fix_loading_of_modules_with_unresolved_weak_sy.patch @@ -0,0 +1,42 @@ +From 819b4bda18d62b52d04789c4a8d4fc3fbf9ce242 Mon Sep 17 00:00:00 2001 +From: Gabor Juhos <juhosg@openwrt.org> +Date: Mon, 13 Jul 2009 10:46:49 +0200 +Subject: [PATCH] MIPS: fix loading of modules with unresolved weak symbols + +Loading of modules with unresolved weak symbols fails on MIPS +since '88173507e4fc1e7ecd111b0565e8cba0cb7dae6d'. + +Modules: handle symbols that have a zero value + +The module subsystem cannot handle symbols that are zero. If symbols +are present that have a zero value then the module resolver prints out a +message that these symbols are unresolved. + +We have to use IS_ERR_VALUE() to check that a symbol has been resolved +or not. + +Signed-off-by: Gabor Juhos <juhosg@openwrt.org> +--- + arch/mips/kernel/module.c | 4 ++-- + 1 files changed, 2 insertions(+), 2 deletions(-) + +--- a/arch/mips/kernel/module.c ++++ b/arch/mips/kernel/module.c +@@ -303,7 +303,7 @@ int apply_relocate(Elf_Shdr *sechdrs, co + /* This is the symbol it is referring to */ + sym = (Elf_Sym *)sechdrs[symindex].sh_addr + + ELF_MIPS_R_SYM(rel[i]); +- if (!sym->st_value) { ++ if (IS_ERR_VALUE(sym->st_value)) { + /* Ignore unresolved weak symbol */ + if (ELF_ST_BIND(sym->st_info) == STB_WEAK) + continue; +@@ -343,7 +343,7 @@ int apply_relocate_add(Elf_Shdr *sechdrs + /* This is the symbol it is referring to */ + sym = (Elf_Sym *)sechdrs[symindex].sh_addr + + ELF_MIPS_R_SYM(rel[i]); +- if (!sym->st_value) { ++ if (IS_ERR_VALUE(sym->st_value)) { + /* Ignore unresolved weak symbol */ + if (ELF_ST_BIND(sym->st_info) == STB_WEAK) + continue; diff --git a/target/linux/generic-2.6/patches-2.6.29/025-mips_fix_loading_of_modules_with_unresolved_weak_sy.patch b/target/linux/generic-2.6/patches-2.6.29/025-mips_fix_loading_of_modules_with_unresolved_weak_sy.patch new file mode 100644 index 0000000000..20c6132e4f --- /dev/null +++ b/target/linux/generic-2.6/patches-2.6.29/025-mips_fix_loading_of_modules_with_unresolved_weak_sy.patch @@ -0,0 +1,42 @@ +From 819b4bda18d62b52d04789c4a8d4fc3fbf9ce242 Mon Sep 17 00:00:00 2001 +From: Gabor Juhos <juhosg@openwrt.org> +Date: Mon, 13 Jul 2009 10:46:49 +0200 +Subject: [PATCH] MIPS: fix loading of modules with unresolved weak symbols + +Loading of modules with unresolved weak symbols fails on MIPS +since '88173507e4fc1e7ecd111b0565e8cba0cb7dae6d'. + +Modules: handle symbols that have a zero value + +The module subsystem cannot handle symbols that are zero. If symbols +are present that have a zero value then the module resolver prints out a +message that these symbols are unresolved. + +We have to use IS_ERR_VALUE() to check that a symbol has been resolved +or not. + +Signed-off-by: Gabor Juhos <juhosg@openwrt.org> +--- + arch/mips/kernel/module.c | 4 ++-- + 1 files changed, 2 insertions(+), 2 deletions(-) + +--- a/arch/mips/kernel/module.c ++++ b/arch/mips/kernel/module.c +@@ -303,7 +303,7 @@ int apply_relocate(Elf_Shdr *sechdrs, co + /* This is the symbol it is referring to */ + sym = (Elf_Sym *)sechdrs[symindex].sh_addr + + ELF_MIPS_R_SYM(rel[i]); +- if (!sym->st_value) { ++ if (IS_ERR_VALUE(sym->st_value)) { + /* Ignore unresolved weak symbol */ + if (ELF_ST_BIND(sym->st_info) == STB_WEAK) + continue; +@@ -343,7 +343,7 @@ int apply_relocate_add(Elf_Shdr *sechdrs + /* This is the symbol it is referring to */ + sym = (Elf_Sym *)sechdrs[symindex].sh_addr + + ELF_MIPS_R_SYM(rel[i]); +- if (!sym->st_value) { ++ if (IS_ERR_VALUE(sym->st_value)) { + /* Ignore unresolved weak symbol */ + if (ELF_ST_BIND(sym->st_info) == STB_WEAK) + continue; diff --git a/target/linux/generic-2.6/patches-2.6.30/026-mips_fix_loading_of_modules_with_unresolved_weak_sy.patch b/target/linux/generic-2.6/patches-2.6.30/026-mips_fix_loading_of_modules_with_unresolved_weak_sy.patch new file mode 100644 index 0000000000..20c6132e4f --- /dev/null +++ b/target/linux/generic-2.6/patches-2.6.30/026-mips_fix_loading_of_modules_with_unresolved_weak_sy.patch @@ -0,0 +1,42 @@ +From 819b4bda18d62b52d04789c4a8d4fc3fbf9ce242 Mon Sep 17 00:00:00 2001 +From: Gabor Juhos <juhosg@openwrt.org> +Date: Mon, 13 Jul 2009 10:46:49 +0200 +Subject: [PATCH] MIPS: fix loading of modules with unresolved weak symbols + +Loading of modules with unresolved weak symbols fails on MIPS +since '88173507e4fc1e7ecd111b0565e8cba0cb7dae6d'. + +Modules: handle symbols that have a zero value + +The module subsystem cannot handle symbols that are zero. If symbols +are present that have a zero value then the module resolver prints out a +message that these symbols are unresolved. + +We have to use IS_ERR_VALUE() to check that a symbol has been resolved +or not. + +Signed-off-by: Gabor Juhos <juhosg@openwrt.org> +--- + arch/mips/kernel/module.c | 4 ++-- + 1 files changed, 2 insertions(+), 2 deletions(-) + +--- a/arch/mips/kernel/module.c ++++ b/arch/mips/kernel/module.c +@@ -303,7 +303,7 @@ int apply_relocate(Elf_Shdr *sechdrs, co + /* This is the symbol it is referring to */ + sym = (Elf_Sym *)sechdrs[symindex].sh_addr + + ELF_MIPS_R_SYM(rel[i]); +- if (!sym->st_value) { ++ if (IS_ERR_VALUE(sym->st_value)) { + /* Ignore unresolved weak symbol */ + if (ELF_ST_BIND(sym->st_info) == STB_WEAK) + continue; +@@ -343,7 +343,7 @@ int apply_relocate_add(Elf_Shdr *sechdrs + /* This is the symbol it is referring to */ + sym = (Elf_Sym *)sechdrs[symindex].sh_addr + + ELF_MIPS_R_SYM(rel[i]); +- if (!sym->st_value) { ++ if (IS_ERR_VALUE(sym->st_value)) { + /* Ignore unresolved weak symbol */ + if (ELF_ST_BIND(sym->st_info) == STB_WEAK) + continue; |