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[PATCH] s390: cio max channels checks

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Fix max channel check in cio_ignore display function.

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>
This commit is contained in:
Cornelia Huck 2005-06-21 17:16:26 -07:00 committed by Linus Torvalds
parent 60b2737de1
commit 5bdfcfcc07
1 changed files with 3 additions and 3 deletions
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6
drivers/s390/cio/blacklist.c
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@ -1,7 +1,7 @@
/*
* drivers/s390/cio/blacklist.c
* S/390 common I/O routines -- blacklisting of specific devices
* $Revision: 1.33 $
* $Revision: 1.34 $
*
* Copyright (C) 1999-2002 IBM Deutschland Entwicklung GmbH,
* IBM Corporation
@ -289,7 +289,7 @@ static int cio_ignore_read (char *page, char **start, off_t off,
len = 0;
for (devno = off; /* abuse the page variable
* as counter, see fs/proc/generic.c */
devno <= __MAX_SUBCHANNELS && len + entry_size < count; devno++) {
devno < __MAX_SUBCHANNELS && len + entry_size < count; devno++) {
if (!test_bit(devno, bl_dev))
continue;
len += sprintf(page + len, "0.0.%04lx", devno);
@ -302,7 +302,7 @@ static int cio_ignore_read (char *page, char **start, off_t off,
len += sprintf(page + len, "\n");
}
if (devno <= __MAX_SUBCHANNELS)
if (devno < __MAX_SUBCHANNELS)
*eof = 1;
*start = (char *) (devno - off); /* number of checked entries */
return len;