1 files changed, 3 insertions, 5 deletions

diff --git a/sound/core/info.c b/sound/core/info.c
index 35df614f6c5..d749a0d394a 100644
--- a/sound/core/info.c
+++ b/sound/core/info.c
@@ -88,12 +88,10 @@ static int resize_info_buffer(struct snd_info_buffer *buffer,
         char *nbuf;
 
         nsize = PAGE_ALIGN(nsize);
-        nbuf = kmalloc(nsize, GFP_KERNEL);
+        nbuf = krealloc(buffer->buffer, nsize, GFP_KERNEL);
         if (! nbuf)
                 return -ENOMEM;
 
-        memcpy(nbuf, buffer->buffer, buffer->len);
-        kfree(buffer->buffer);
         buffer->buffer = nbuf;
         buffer->len = nsize;
         return 0;
@@ -108,7 +106,7 @@ static int resize_info_buffer(struct snd_info_buffer *buffer,
  *
  * Returns the size of output string.
  */
-int snd_iprintf(struct snd_info_buffer *buffer, char *fmt,...)
+int snd_iprintf(struct snd_info_buffer *buffer, const char *fmt, ...)
 {
         va_list args;
         int len, res;
@@ -727,7 +725,7 @@ EXPORT_SYMBOL(snd_info_get_line);
  * Returns the updated pointer of the original string so that
  * it can be used for the next call.
  */
-char *snd_info_get_str(char *dest, char *src, int len)
+const char *snd_info_get_str(char *dest, const char *src, int len)
 {
         int c;