In commit e28bf1f03b01 ("RDMA: Convert various random sprintf sysfs _show
uses to sysfs_emit") I mistakenly used len = sysfs_emit_at to overwrite
the last trailing space of potentially multiple entry output.
The length of the last sysfs_emit_at call is 1 and it should instead be
ignored. Do so.
Fixes: e28bf1f03b01 ("RDMA: Convert various random sprintf sysfs _show uses to sysfs_emit")
Reported-by: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
---
drivers/infiniband/hw/usnic/usnic_ib_sysfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/usnic/usnic_ib_sysfs.c b/drivers/infiniband/hw/usnic/usnic_ib_sysfs.c
index e59615a4c9d9..fc077855b46c 100644
--- a/drivers/infiniband/hw/usnic/usnic_ib_sysfs.c
+++ b/drivers/infiniband/hw/usnic/usnic_ib_sysfs.c
@@ -231,7 +231,7 @@ static ssize_t summary_show(struct usnic_ib_qp_grp *qp_grp, char *buf)
}
}
- len = sysfs_emit_at(buf, len, "\n");
+ sysfs_emit_at(buf, len, "\n"); /* Overwrite the last trailing space */
return len;
}
