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| author | David S. Miller <davem@davemloft.net> | 2009-02-24 03:50:29 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-02-24 03:50:29 -0800 |
| commit | e70049b9e74267dd47e1ffa62302073487afcb48 (patch) | |
| tree | 2cd000c0751ef31c9044b020d63f278cdf4f332d /drivers/s390/char/sclp.c | |
| parent | d18921a0e319ab512f8186b1b1142c7b8634c779 (diff) | |
| parent | f7e603ad8f78cd3b59e33fa72707da0cbabdf699 (diff) | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
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); |