Convert CONFIG_CMD_PCA953X to Kconfig

[platform/kernel/u-boot.git] / lib / circbuf.c

diff --git a/lib/circbuf.c b/lib/circbuf.c
index 9848da3..6ed0516 100644 (file)
--- a/lib/circbuf.c
+++ b/lib/circbuf.c
@@ -41,11 +41,13 @@ int buf_free (circbuf_t * buf)
 int buf_pop (circbuf_t * buf, char *dest, unsigned int len)
 {
        unsigned int i;
-       char *p = buf->top;
+       char *p;
 
        assert (buf != NULL);
        assert (dest != NULL);
 
+       p = buf->top;
+
        /* Cap to number of bytes in buffer */
        if (len > buf->size)
                len = buf->size;
@@ -69,11 +71,13 @@ int buf_push (circbuf_t * buf, const char *src, unsigned int len)
 {
        /* NOTE:  this function allows push to overwrite old data. */
        unsigned int i;
-       char *p = buf->tail;
+       char *p;
 
        assert (buf != NULL);
        assert (src != NULL);
 
+       p = buf->tail;
+
        for (i = 0; i < len; i++) {
                *p++ = src[i];
                if (p == buf->end) {