diff options
-rw-r--r-- | kernel/module.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/kernel/module.c b/kernel/module.c index e96b8ed1cb6a..f82386bd9ee9 100644 --- a/kernel/module.c +++ b/kernel/module.c | |||
@@ -1010,6 +1010,12 @@ static const struct kernel_symbol *resolve_symbol(Elf_Shdr *sechdrs, | |||
1010 | * J. Corbet <corbet@lwn.net> | 1010 | * J. Corbet <corbet@lwn.net> |
1011 | */ | 1011 | */ |
1012 | #if defined(CONFIG_KALLSYMS) && defined(CONFIG_SYSFS) | 1012 | #if defined(CONFIG_KALLSYMS) && defined(CONFIG_SYSFS) |
1013 | |||
1014 | static inline bool sect_empty(const Elf_Shdr *sect) | ||
1015 | { | ||
1016 | return !(sect->sh_flags & SHF_ALLOC) || sect->sh_size == 0; | ||
1017 | } | ||
1018 | |||
1013 | struct module_sect_attr | 1019 | struct module_sect_attr |
1014 | { | 1020 | { |
1015 | struct module_attribute mattr; | 1021 | struct module_attribute mattr; |
@@ -1051,8 +1057,7 @@ static void add_sect_attrs(struct module *mod, unsigned int nsect, | |||
1051 | 1057 | ||
1052 | /* Count loaded sections and allocate structures */ | 1058 | /* Count loaded sections and allocate structures */ |
1053 | for (i = 0; i < nsect; i++) | 1059 | for (i = 0; i < nsect; i++) |
1054 | if (sechdrs[i].sh_flags & SHF_ALLOC | 1060 | if (!sect_empty(&sechdrs[i])) |
1055 | && sechdrs[i].sh_size) | ||
1056 | nloaded++; | 1061 | nloaded++; |
1057 | size[0] = ALIGN(sizeof(*sect_attrs) | 1062 | size[0] = ALIGN(sizeof(*sect_attrs) |
1058 | + nloaded * sizeof(sect_attrs->attrs[0]), | 1063 | + nloaded * sizeof(sect_attrs->attrs[0]), |
@@ -1070,9 +1075,7 @@ static void add_sect_attrs(struct module *mod, unsigned int nsect, | |||
1070 | sattr = §_attrs->attrs[0]; | 1075 | sattr = §_attrs->attrs[0]; |
1071 | gattr = §_attrs->grp.attrs[0]; | 1076 | gattr = §_attrs->grp.attrs[0]; |
1072 | for (i = 0; i < nsect; i++) { | 1077 | for (i = 0; i < nsect; i++) { |
1073 | if (! (sechdrs[i].sh_flags & SHF_ALLOC)) | 1078 | if (sect_empty(&sechdrs[i])) |
1074 | continue; | ||
1075 | if (!sechdrs[i].sh_size) | ||
1076 | continue; | 1079 | continue; |
1077 | sattr->address = sechdrs[i].sh_addr; | 1080 | sattr->address = sechdrs[i].sh_addr; |
1078 | sattr->name = kstrdup(secstrings + sechdrs[i].sh_name, | 1081 | sattr->name = kstrdup(secstrings + sechdrs[i].sh_name, |
@@ -1156,7 +1159,7 @@ static void add_notes_attrs(struct module *mod, unsigned int nsect, | |||
1156 | /* Count notes sections and allocate structures. */ | 1159 | /* Count notes sections and allocate structures. */ |
1157 | notes = 0; | 1160 | notes = 0; |
1158 | for (i = 0; i < nsect; i++) | 1161 | for (i = 0; i < nsect; i++) |
1159 | if ((sechdrs[i].sh_flags & SHF_ALLOC) && | 1162 | if (!sect_empty(&sechdrs[i]) && |
1160 | (sechdrs[i].sh_type == SHT_NOTE)) | 1163 | (sechdrs[i].sh_type == SHT_NOTE)) |
1161 | ++notes; | 1164 | ++notes; |
1162 | 1165 | ||
@@ -1172,7 +1175,7 @@ static void add_notes_attrs(struct module *mod, unsigned int nsect, | |||
1172 | notes_attrs->notes = notes; | 1175 | notes_attrs->notes = notes; |
1173 | nattr = ¬es_attrs->attrs[0]; | 1176 | nattr = ¬es_attrs->attrs[0]; |
1174 | for (loaded = i = 0; i < nsect; ++i) { | 1177 | for (loaded = i = 0; i < nsect; ++i) { |
1175 | if (!(sechdrs[i].sh_flags & SHF_ALLOC)) | 1178 | if (sect_empty(&sechdrs[i])) |
1176 | continue; | 1179 | continue; |
1177 | if (sechdrs[i].sh_type == SHT_NOTE) { | 1180 | if (sechdrs[i].sh_type == SHT_NOTE) { |
1178 | nattr->attr.name = mod->sect_attrs->attrs[loaded].name; | 1181 | nattr->attr.name = mod->sect_attrs->attrs[loaded].name; |