1 files changed, 24 insertions, 8 deletions

diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c
index 079f1d39a8b8..2169feeba529 100644
--- a/kernel/kallsyms.c
+++ b/kernel/kallsyms.c
@@ -343,7 +343,7 @@ int lookup_symbol_attrs(unsigned long addr, unsigned long *size,
 
 /* Look up a kernel symbol and return it in a text buffer. */
 static int __sprint_symbol(char *buffer, unsigned long address,
-                           int symbol_offset)
+                           int symbol_offset, int add_offset)
 {
         char *modname;
         const char *name;
@@ -358,13 +358,13 @@ static int __sprint_symbol(char *buffer, unsigned long address,
         if (name != buffer)
                 strcpy(buffer, name);
         len = strlen(buffer);
-        buffer += len;
         offset -= symbol_offset;
 
+        if (add_offset)
+                len += sprintf(buffer + len, "+%#lx/%#lx", offset, size);
+
         if (modname)
-                len += sprintf(buffer, "+%#lx/%#lx [%s]", offset, size, modname);
-        else
-                len += sprintf(buffer, "+%#lx/%#lx", offset, size);
+                len += sprintf(buffer + len, " [%s]", modname);
 
         return len;
 }
@@ -382,12 +382,28 @@ static int __sprint_symbol(char *buffer, unsigned long address,
  */
 int sprint_symbol(char *buffer, unsigned long address)
 {
-        return __sprint_symbol(buffer, address, 0);
+        return __sprint_symbol(buffer, address, 0, 1);
 }
-
 EXPORT_SYMBOL_GPL(sprint_symbol);
 
 /**
+ * sprint_symbol_no_offset - Look up a kernel symbol and return it in a text buffer
+ * @buffer: buffer to be stored
+ * @address: address to lookup
+ *
+ * This function looks up a kernel symbol with @address and stores its name
+ * and module name to @buffer if possible. If no symbol was found, just saves
+ * its @address as is.
+ *
+ * This function returns the number of bytes stored in @buffer.
+ */
+int sprint_symbol_no_offset(char *buffer, unsigned long address)
+{
+        return __sprint_symbol(buffer, address, 0, 0);
+}
+EXPORT_SYMBOL_GPL(sprint_symbol_no_offset);
+
+/**
  * sprint_backtrace - Look up a backtrace symbol and return it in a text buffer
  * @buffer: buffer to be stored
  * @address: address to lookup
@@ -403,7 +419,7 @@ EXPORT_SYMBOL_GPL(sprint_symbol);
  */
 int sprint_backtrace(char *buffer, unsigned long address)
 {
-        return __sprint_symbol(buffer, address, -1);
+        return __sprint_symbol(buffer, address, -1, 1);
 }
 
 /* Look up a kernel symbol and print it to the kernel messages. */