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-rw-r--r--lib/erl_interface/src/misc/ei_portio.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/erl_interface/src/misc/ei_portio.c b/lib/erl_interface/src/misc/ei_portio.c
index b73ebebbe1..c4e397f1e0 100644
--- a/lib/erl_interface/src/misc/ei_portio.c
+++ b/lib/erl_interface/src/misc/ei_portio.c
@@ -171,6 +171,8 @@ int ei_writev_fill_t(int fd, const struct iovec *iov, int iovcnt, unsigned
}
while (i > 0) {
if (i < current_iov[0].iov_len) {
+ char *p = (char*)current_iov[0].iov_base;
+ current_iov[0].iov_base = p + i;
current_iov[0].iov_len -= i;
i = 0;
} else {