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[PATCH] "drivers/mtd/redboot.c: recognise a foreign byte sex partition table" update

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Sync up the recent redboot fix with MTD CVS.  It uses the correct swab()
functions.

Cc: John Bowler <jbowler@acm.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Martin Michlmayr <tbm@cyrius.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
John Bowler 2006-03-02 02:54:29 -08:00 committed by Linus Torvalds
parent 140ffcec4d
commit 77a3313551
1 changed files with 10 additions and 12 deletions
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22
drivers/mtd/redboot.c
View file

@ -1,5 +1,5 @@
/*
* $Id: redboot.c,v 1.18 2005/11/07 11:14:21 gleixner Exp $
* $Id: redboot.c,v 1.19 2005/12/01 10:03:51 dwmw2 Exp $
*
* Parse RedBoot-style Flash Image System (FIS) tables and
* produce a Linux partition array to match.
@ -92,10 +92,10 @@ static int parse_redboot_partitions(struct mtd_info *master,
if (!memcmp(buf[i].name, "FIS directory", 14)) {
/* This is apparently the FIS directory entry for the
* FIS directory itself. The FIS directory size is
* one erase block, if the buf[i].size field is
* one erase block; if the buf[i].size field is
* swab32(erasesize) then we know we are looking at
* a byte swapped FIS directory - swap all the entries!
* (NOTE: this is 'size' not 'data_length', size is
* (NOTE: this is 'size' not 'data_length'; size is
* the full size of the entry.)
*/
if (swab32(buf[i].size) == master->erasesize) {
@ -104,15 +104,13 @@ static int parse_redboot_partitions(struct mtd_info *master,
/* The unsigned long fields were written with the
* wrong byte sex, name and pad have no byte sex.
*/
# define do_swab32(x) (x) = swab32(x)
do_swab32(buf[j].flash_base);
do_swab32(buf[j].mem_base);
do_swab32(buf[j].size);
do_swab32(buf[j].entry_point);
do_swab32(buf[j].data_length);
do_swab32(buf[j].desc_cksum);
do_swab32(buf[j].file_cksum);
# undef do_swab32
swab32s(&buf[j].flash_base);
swab32s(&buf[j].mem_base);
swab32s(&buf[j].size);
swab32s(&buf[j].entry_point);
swab32s(&buf[j].data_length);
swab32s(&buf[j].desc_cksum);
swab32s(&buf[j].file_cksum);
}
}
break;