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| author | Ingo Molnar <mingo@elte.hu> | 2009-02-20 11:35:57 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-20 11:35:57 +0100 |
| commit | 64b36ca7f408e0bd45487c8c28f168f11f3b6dcd (patch) | |
| tree | 0b8ed22d46d775f04d441e8c480c12ec297a005b /drivers/s390/char/sclp.c | |
| parent | 00a8bf859331e349713274825e6fbf20bf2ac15a (diff) | |
| parent | 402a917aca5daca69fcc91f43e6f1e6939cf393b (diff) | |
Merge branches 'tracing/function-graph-tracer' and 'linus' into tracing/core
Diffstat (limited to 'drivers/s390/char/sclp.c')
| -rw-r--r-- | drivers/s390/char/sclp.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c index 1fd8f2193ed..4377e93a43d 100644 --- a/drivers/s390/char/sclp.c +++ b/drivers/s390/char/sclp.c @@ -280,8 +280,11 @@ sclp_dispatch_evbufs(struct sccb_header *sccb) rc = 0; for (offset = sizeof(struct sccb_header); offset < sccb->length; offset += evbuf->length) { - /* Search for event handler */ evbuf = (struct evbuf_header *) ((addr_t) sccb + offset); + /* Check for malformed hardware response */ + if (evbuf->length == 0) + break; + /* Search for event handler */ reg = NULL; list_for_each(l, &sclp_reg_list) { reg = list_entry(l, struct sclp_register, list); |