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-rw-r--r--lib/mpi/mpicoder.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/mpi/mpicoder.c b/lib/mpi/mpicoder.c
index c20ef27ad876..c7e0a705eecf 100644
--- a/lib/mpi/mpicoder.c
+++ b/lib/mpi/mpicoder.c
@@ -446,8 +446,11 @@ MPI mpi_read_raw_from_sgl(struct scatterlist *sgl, unsigned int len)
const u8 *buff = sg_virt(sg);
int len = sg->length;
- while (len-- && !*buff++)
+ while (len && !*buff) {
lzeros++;
+ len--;
+ buff++;
+ }
if (len && *buff)
break;

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