From: Ben Gras <ben@minix3.org>
Date: Wed, 28 Jun 2006 10:03:18 +0000 (+0000)
Subject: Fix bug where safe conversion doesn't happen after 1st time in loop
X-Git-Tag: v3.1.3~278
X-Git-Url: http://zhaoyanbai.com/repos/Bv9ARM.html?a=commitdiff_plain;h=f9fb0ff54644ff2d71ead2794920bf58bd4b34e3;p=minix.git

Fix bug where safe conversion doesn't happen after 1st time in loop
---

diff --git a/servers/fs/device.c b/servers/fs/device.c
index 32f1029a1..4c0853055 100644
--- a/servers/fs/device.c
+++ b/servers/fs/device.c
@@ -297,6 +297,7 @@ int bytes;			/* how many bytes to transfer */
 
   for (;;)
   {
+	int op_used;
         static cp_grant_id_t gids[NR_IOREQS];
         cp_grant_id_t gid = GRANT_INVALID;
 	int vec_grants;
@@ -312,12 +313,14 @@ int bytes;			/* how many bytes to transfer */
         m.ADDRESS  = buf;
 
 	/* Convert parameters to 'safe mode'. */
+	op_used = op;
         safe = safe_io_conversion(dp->dmap_driver, dev, &gid,
-          &op, gids, NR_IOREQS, &m.IO_ENDPT, buf, &vec_grants, bytes, &pos);
+          &op_used, gids, NR_IOREQS, &m.IO_ENDPT, buf,
+	  &vec_grants, bytes, &pos);
 
 	/* Set up rest of the message. */
 	if(safe) m.IO_GRANT = (char *) gid;
-	m.m_type   = op;
+	m.m_type   = op_used;
 	m.DEVICE   = (dev >> MINOR) & BYTE;
 	m.POSITION = pos;
 	m.COUNT    = bytes;