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afs: Trace protocol errors

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Trace protocol errors detected in afs.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells
2018-04-06 14:17:25 +01:00
parent 63a4681ff3
commit 5f702c8e12
7 changed files with 79 additions and 46 deletions
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4
fs/afs/cmservice.c
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@@ -201,7 +201,7 @@ static int afs_deliver_cb_callback(struct afs_call *call)
call->count = ntohl(call->tmp);
_debug("FID count: %u", call->count);
if (call->count > AFSCBMAX)
return -EBADMSG;
return afs_protocol_error(call, -EBADMSG);
call->buffer = kmalloc(call->count * 3 * 4, GFP_KERNEL);
if (!call->buffer)
@@ -245,7 +245,7 @@ static int afs_deliver_cb_callback(struct afs_call *call)
call->count2 = ntohl(call->tmp);
_debug("CB count: %u", call->count2);
if (call->count2 != call->count && call->count2 != 0)
return -EBADMSG;
return afs_protocol_error(call, -EBADMSG);
call->offset = 0;
call->unmarshall++;