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[PATCH] s390: cio max channels checks
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>
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@ -1,7 +1,7 @@
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/*
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* drivers/s390/cio/blacklist.c
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* S/390 common I/O routines -- blacklisting of specific devices
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* $Revision: 1.33 $
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* $Revision: 1.34 $
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*
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* Copyright (C) 1999-2002 IBM Deutschland Entwicklung GmbH,
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* IBM Corporation
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@ -289,7 +289,7 @@ static int cio_ignore_read (char *page, char **start, off_t off,
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len = 0;
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for (devno = off; /* abuse the page variable
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* as counter, see fs/proc/generic.c */
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devno <= __MAX_SUBCHANNELS && len + entry_size < count; devno++) {
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devno < __MAX_SUBCHANNELS && len + entry_size < count; devno++) {
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if (!test_bit(devno, bl_dev))
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continue;
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len += sprintf(page + len, "0.0.%04lx", devno);
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@ -302,7 +302,7 @@ static int cio_ignore_read (char *page, char **start, off_t off,
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len += sprintf(page + len, "\n");
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}
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if (devno <= __MAX_SUBCHANNELS)
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if (devno < __MAX_SUBCHANNELS)
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*eof = 1;
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*start = (char *) (devno - off); /* number of checked entries */
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return len;
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