From: Felipe Contreras <felipe.contreras@gmail.com>
Date: Fri, 5 Nov 2010 17:01:48 +0000 (+0000)
Subject: staging: tidspbridge: fix mgr_enum_node_info
X-Git-Tag: v2.6.39-rc1~469^2~588^2~33
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=d723818e7c8f20af0a665f5b0c2eda909e069ffa;p=karo-tx-linux.git

staging: tidspbridge: fix mgr_enum_node_info

The current code was always returning a non-zero status value
to userspace applications when this ioctl was called.

The error code was ENODATA, which isn't actually an error,
it's always returned by dcd_enumerate_object() when it hits the
end of list.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Omar Ramirez Luna <omar.ramirez@ti.com>
---

diff --git a/drivers/staging/tidspbridge/rmgr/mgr.c b/drivers/staging/tidspbridge/rmgr/mgr.c
index 0ea89a1bb77c..2eab6a56ab22 100644
--- a/drivers/staging/tidspbridge/rmgr/mgr.c
+++ b/drivers/staging/tidspbridge/rmgr/mgr.c
@@ -169,6 +169,11 @@ int mgr_enum_node_info(u32 node_id, struct dsp_ndbprops *pndb_props,
 
 		}
 	}
+
+	/* the last status is not 0, but neither an error */
+	if (status > 0)
+		status = 0;
+
 	if (!status) {
 		if (node_id > (node_index - 1)) {
 			status = -EINVAL;