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-rw-r--r--sound/oss/dmabuf.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/oss/dmabuf.c b/sound/oss/dmabuf.c
index eaf69971bf92..1e90d769b62e 100644
--- a/sound/oss/dmabuf.c
+++ b/sound/oss/dmabuf.c
@@ -795,9 +795,9 @@ static int find_output_space(int dev, char **buf, int *size)
795#ifdef BE_CONSERVATIVE 795#ifdef BE_CONSERVATIVE
796 active_offs = dmap->byte_counter + dmap->qhead * dmap->fragment_size; 796 active_offs = dmap->byte_counter + dmap->qhead * dmap->fragment_size;
797#else 797#else
798 active_offs = DMAbuf_get_buffer_pointer(dev, dmap, DMODE_OUTPUT); 798 active_offs = max(DMAbuf_get_buffer_pointer(dev, dmap, DMODE_OUTPUT), 0);
799 /* Check for pointer wrapping situation */ 799 /* Check for pointer wrapping situation */
800 if (active_offs < 0 || active_offs >= dmap->bytes_in_use) 800 if (active_offs >= dmap->bytes_in_use)
801 active_offs = 0; 801 active_offs = 0;
802 active_offs += dmap->byte_counter; 802 active_offs += dmap->byte_counter;
803#endif 803#endif