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Subject[PATCH] 2.4.17-pre7: fdomain_16x0_release undeclared
Hello, Alan and all!

File drivers/scsi/fdomain.h declares a data structure FDOMAIN_16X0 using
an undeclared function fdomain_16x0_release() in Linux 2.4.17-pre7.

This is not a problem for the kernel itself, but it breaks compilation of
pcmcia-cs-3.1.30 because the later uses structure FDOMAIN_16X0.

The fix is trivial - declare fdomain_16x0_release() the same way as other
non-static functions from fdomain.c.

Another partly related problem is a warning in fdomain.c:

fdomain.c: In function `fdomain_16x0_release':
fdomain.c:2045: warning: control reaches end of non-void function

I wonder if the patches that introduce warnings should be allowed in the
stable branch? Anyway, comparing with other SCSI drivers I see that 0
should be returned and scsi_unregister(shpnt) should be called before

Here's the patch. The part for fdomain.h is 100% safe and should be
applied ASAP. The part for fdomain.c should be safe too but I'll
appreciate if somebody tests it on a real Future Domain controller.

--- linux.orig/drivers/scsi/fdomain.c
+++ linux/drivers/scsi/fdomain.c
@@ -2042,6 +2042,8 @@ int fdomain_16x0_release(struct Scsi_Hos
if (shpnt->io_port && shpnt->n_io_port)
release_region(shpnt->io_port, shpnt->n_io_port);

+ scsi_unregister(shpnt);
+ return 0;

--- linux.orig/drivers/scsi/fdomain.h
+++ linux/drivers/scsi/fdomain.h
@@ -34,6 +34,7 @@
int fdomain_16x0_biosparam( Disk *, kdev_t, int * );
int fdomain_16x0_proc_info( char *buffer, char **start, off_t offset,
int length, int hostno, int inout );
+int fdomain_16x0_release(struct Scsi_Host *shpnt);

#define FDOMAIN_16X0 { proc_info: fdomain_16x0_proc_info, \
detect: fdomain_16x0_detect, \
Pavel Roskin

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