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-rw-r--r--kernel/livepatch/core.c29
1 files changed, 14 insertions, 15 deletions
diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c
index 9ada0bc5247b..c973ed9e42f8 100644
--- a/kernel/livepatch/core.c
+++ b/kernel/livepatch/core.c
@@ -118,27 +118,16 @@ static struct klp_object *klp_find_object(struct klp_patch *patch,
}
struct klp_find_arg {
- const char *objname;
const char *name;
unsigned long addr;
unsigned long count;
unsigned long pos;
};
-static int klp_find_callback(void *data, const char *name,
- struct module *mod, unsigned long addr)
+static int klp_match_callback(void *data, unsigned long addr)
{
struct klp_find_arg *args = data;
- if ((mod && !args->objname) || (!mod && args->objname))
- return 0;
-
- if (strcmp(args->name, name))
- return 0;
-
- if (args->objname && strcmp(args->objname, mod->name))
- return 0;
-
args->addr = addr;
args->count++;
@@ -153,11 +142,21 @@ static int klp_find_callback(void *data, const char *name,
return 0;
}
+static int klp_find_callback(void *data, const char *name,
+ struct module *mod, unsigned long addr)
+{
+ struct klp_find_arg *args = data;
+
+ if (strcmp(args->name, name))
+ return 0;
+
+ return klp_match_callback(data, addr);
+}
+
static int klp_find_object_symbol(const char *objname, const char *name,
unsigned long sympos, unsigned long *addr)
{
struct klp_find_arg args = {
- .objname = objname,
.name = name,
.addr = 0,
.count = 0,
@@ -165,9 +164,9 @@ static int klp_find_object_symbol(const char *objname, const char *name,
};
if (objname)
- module_kallsyms_on_each_symbol(klp_find_callback, &args);
+ module_kallsyms_on_each_symbol(objname, klp_find_callback, &args);
else
- kallsyms_on_each_symbol(klp_find_callback, &args);
+ kallsyms_on_each_match_symbol(klp_match_callback, name, &args);
/*
* Ensure an address was found. If sympos is 0, ensure symbol is unique;