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| author | Melissa Howland <melissah@us.ibm.com> | 2006-10-18 18:30:49 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2006-10-18 18:30:49 +0200 |
| commit | 2c91971f84be168a35f937dd6c61e56e492b2185 (patch) | |
| tree | 4b203408105d13638f58bead9364effa08681096 /drivers/s390/char/monwriter.c | |
| parent | 85a4aa64a85a8bd19b86887f70b13a27a363030d (diff) | |
| download | linux-0-day-2c91971f84be168a35f937dd6c61e56e492b2185.tar.gz linux-0-day-2c91971f84be168a35f937dd6c61e56e492b2185.tar.xz | |
[S390] monwriter find header logic.
Fix logic for finding matching buffers.
Signed-off-by: Melissa Howland <melissah@us.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/char/monwriter.c')
| -rw-r--r-- | drivers/s390/char/monwriter.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/s390/char/monwriter.c b/drivers/s390/char/monwriter.c index abd02ed501cbe..b9b0fc3f812bf 100644 --- a/drivers/s390/char/monwriter.c +++ b/drivers/s390/char/monwriter.c @@ -73,12 +73,15 @@ static inline struct mon_buf *monwrite_find_hdr(struct mon_private *monpriv, struct mon_buf *entry, *next; list_for_each_entry_safe(entry, next, &monpriv->list, list) - if (entry->hdr.applid == monhdr->applid && + if ((entry->hdr.mon_function == monhdr->mon_function || + monhdr->mon_function == MONWRITE_STOP_INTERVAL) && + entry->hdr.applid == monhdr->applid && entry->hdr.record_num == monhdr->record_num && entry->hdr.version == monhdr->version && entry->hdr.release == monhdr->release && entry->hdr.mod_level == monhdr->mod_level) return entry; + return NULL; } @@ -92,7 +95,9 @@ static int monwrite_new_hdr(struct mon_private *monpriv) monhdr->mon_function > MONWRITE_START_CONFIG || monhdr->hdrlen != sizeof(struct monwrite_hdr)) return -EINVAL; - monbuf = monwrite_find_hdr(monpriv, monhdr); + monbuf = NULL; + if (monhdr->mon_function != MONWRITE_GEN_EVENT) + monbuf = monwrite_find_hdr(monpriv, monhdr); if (monbuf) { if (monhdr->mon_function == MONWRITE_STOP_INTERVAL) { monhdr->datalen = monbuf->hdr.datalen; @@ -104,7 +109,7 @@ static int monwrite_new_hdr(struct mon_private *monpriv) kfree(monbuf); monbuf = NULL; } - } else { + } else if (monhdr->mon_function != MONWRITE_STOP_INTERVAL) { if (mon_buf_count >= mon_max_bufs) return -ENOSPC; monbuf = kzalloc(sizeof(struct mon_buf), GFP_KERNEL); @@ -118,7 +123,8 @@ static int monwrite_new_hdr(struct mon_private *monpriv) } monbuf->hdr = *monhdr; list_add_tail(&monbuf->list, &monpriv->list); - mon_buf_count++; + if (monhdr->mon_function != MONWRITE_GEN_EVENT) + mon_buf_count++; } monpriv->current_buf = monbuf; return 0; |