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-rw-r--r--lib/mpi/mpicoder.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/mpi/mpicoder.c b/lib/mpi/mpicoder.c
index eead4b339466..4f73db248009 100644
--- a/lib/mpi/mpicoder.c
+++ b/lib/mpi/mpicoder.c
@@ -397,7 +397,8 @@ MPI mpi_read_raw_from_sgl(struct scatterlist *sgl, unsigned int nbytes)
while (sg_miter_next(&miter)) {
buff = miter.addr;
- len = miter.length;
+ len = min_t(unsigned, miter.length, nbytes);
+ nbytes -= len;
for (x = 0; x < len; x++) {
a <<= 8;