evin/ms-nfs41-client
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ref counting for nfs41_root

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very similar to the issue with nfs41_open_state, an abandoned upcall could outlive its mount. to prevent their nfs41_root from being freed, upcalls need to hold a reference until they're finished. this also keeps all of its clients/sessions/rpc connections alive

Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
This commit is contained in:
Casey Bodley 2010-10-27 13:36:22 -04:00 • committed by unknown
parent 006bdfa47a
commit bcc707d3b8
13 changed files with 57 additions and 4 deletions
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2
daemon/lock.c
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@ -97,6 +97,7 @@ static int parse_lock(unsigned char *buffer, uint32_t length, nfs41_upcall *upca
upcall_open_state_ref(upcall, args->state);
status = safe_read(&buffer, &length, &args->root, sizeof(HANDLE));
if (status) goto out;
upcall_root_ref(upcall, args->root);
status = safe_read(&buffer, &length, &args->offset, sizeof(LONGLONG));
if (status) goto out;
status = safe_read(&buffer, &length, &args->length, sizeof(LONGLONG));
@ -185,6 +186,7 @@ static int parse_unlock(unsigned char *buffer, uint32_t length, nfs41_upcall *up
upcall_open_state_ref(upcall, args->state);
status = safe_read(&buffer, &length, &args->root, sizeof(HANDLE));
if (status) goto out;
upcall_root_ref(upcall, args->root);
status = safe_read(&buffer, &length, &args->count, sizeof(ULONG));
if (status) goto out;