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authorCornelia Huck <cohuck@de.ibm.com>2006-01-06 00:19:22 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-06 08:33:51 -0800
commitf97a56fb768e5fe9cd07c56ca47870136bb5530c (patch)
tree05108317a0cca7aa04cd68f4fcb7b7d3a295ddfa /drivers/s390/cio/blacklist.c
parenta8237fc4108060402d904bea5e1062e22e731969 (diff)
downloadop-kernel-dev-f97a56fb768e5fe9cd07c56ca47870136bb5530c.zip
op-kernel-dev-f97a56fb768e5fe9cd07c56ca47870136bb5530c.tar.gz
[PATCH] s390: introduce for_each_subchannel
for_each_subchannel() is an iterator calling a function for every possible subchannel id until non-zero is returned. Convert the current iterating functions to it. Signed-off-by: Cornelia Huck <cohuck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/s390/cio/blacklist.c')
-rw-r--r--drivers/s390/cio/blacklist.c46
1 files changed, 23 insertions, 23 deletions
diff --git a/drivers/s390/cio/blacklist.c b/drivers/s390/cio/blacklist.c
index a4b0303..25e9848 100644
--- a/drivers/s390/cio/blacklist.c
+++ b/drivers/s390/cio/blacklist.c
@@ -219,6 +219,27 @@ is_blacklisted (int devno)
}
#ifdef CONFIG_PROC_FS
+static int
+__s390_redo_validation(struct subchannel_id schid, void *data)
+{
+ int ret;
+ struct subchannel *sch;
+
+ sch = get_subchannel_by_schid(schid);
+ if (sch) {
+ /* Already known. */
+ put_device(&sch->dev);
+ return 0;
+ }
+ ret = css_probe_device(schid);
+ if (ret == -ENXIO)
+ return ret; /* We're through. */
+ if (ret == -ENOMEM)
+ /* Stop validation for now. Bad, but no need for a panic. */
+ return ret;
+ return 0;
+}
+
/*
* Function: s390_redo_validation
* Look for no longer blacklisted devices
@@ -226,30 +247,9 @@ is_blacklisted (int devno)
static inline void
s390_redo_validation (void)
{
- struct subchannel_id schid;
-
CIO_TRACE_EVENT (0, "redoval");
- init_subchannel_id(&schid);
- do {
- int ret;
- struct subchannel *sch;
-
- sch = get_subchannel_by_schid(schid);
- if (sch) {
- /* Already known. */
- put_device(&sch->dev);
- continue;
- }
- ret = css_probe_device(schid);
- if (ret == -ENXIO)
- break; /* We're through. */
- if (ret == -ENOMEM)
- /*
- * Stop validation for now. Bad, but no need for a
- * panic.
- */
- break;
- } while (schid.sch_no++ < __MAX_SUBCHANNEL);
+
+ for_each_subchannel(__s390_redo_validation, NULL);
}
/*
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