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nfs: handle rpc errors for mount calls

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Signed-off-by: Thomas RIENOESSL <thomas.rienoessl@bachmann.info>
This commit is contained in:
Thomas RIENOESSL 2023-03-10 10:51:54 +01:00 committed by Tom Rini
parent 791a43eadb
commit 1b6064b3c6
1 changed files with 8 additions and 5 deletions
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13
net/nfs.c
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@ -524,6 +524,7 @@ static int rpc_lookup_reply(int prog, uchar *pkt, unsigned len)
static int nfs_mount_reply(uchar *pkt, unsigned len)
{
struct rpc_t rpc_pkt;
int ret;
debug("%s\n", __func__);
@ -534,11 +535,9 @@ static int nfs_mount_reply(uchar *pkt, unsigned len)
else if (ntohl(rpc_pkt.u.reply.id) < rpc_id)
return -NFS_RPC_DROP;
if (rpc_pkt.u.reply.rstatus ||
rpc_pkt.u.reply.verifier ||
rpc_pkt.u.reply.astatus ||
rpc_pkt.u.reply.data[0])
return -1;
ret = rpc_handle_error(&rpc_pkt);
if (ret)
return ret;
fs_mounted = 1;
/* NFSv2 and NFSv3 use same structure */
@ -794,6 +793,10 @@ static void nfs_handler(uchar *pkt, unsigned dest, struct in_addr sip,
/* just to be sure... */
nfs_state = STATE_UMOUNT_REQ;
nfs_send();
} else if (reply == -NFS_RPC_PROG_MISMATCH &&
choosen_nfs_version != NFS_UNKOWN) {
nfs_state = STATE_MOUNT_REQ;
nfs_send();
} else {
nfs_state = STATE_LOOKUP_REQ;
nfs_send();