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fs/squashfs: use lldiv function for math

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When compling for x86:
ld.bfd: fs/squashfs/sqfs.o: in function `sqfs_read':
u-boot/fs/squashfs/sqfs.c:1443: undefined reference to `__udivmoddi4'
ld.bfd: u-boot/fs/squashfs/sqfs.c:1521: undefined reference to `__udivmoddi4'

Signed-off-by: Sean Nyekjaer <sean.nyekjaer.ext@siemensgamesa.com>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Pali Rohár <pali@kernel.org>
This commit is contained in:
Sean Nyekjaer 2022-05-12 20:37:14 +02:00 committed by Tom Rini
parent 004d30c786
commit 92080c6ef6
1 changed files with 3 additions and 2 deletions
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5
fs/squashfs/sqfs.c
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@ -8,6 +8,7 @@
*/
#include <asm/unaligned.h>
#include <div64.h>
#include <errno.h>
#include <fs.h>
#include <linux/types.h>
@ -1442,7 +1443,7 @@ int sqfs_read(const char *filename, void *buf, loff_t offset, loff_t len,
for (j = 0; j < datablk_count; j++) {
char *data_buffer;
start = data_offset / ctxt.cur_dev->blksz;
start = lldiv(data_offset, ctxt.cur_dev->blksz);
table_size = SQFS_BLOCK_SIZE(finfo.blk_sizes[j]);
table_offset = data_offset - (start * ctxt.cur_dev->blksz);
n_blks = DIV_ROUND_UP(table_size + table_offset,
@ -1516,7 +1517,7 @@ int sqfs_read(const char *filename, void *buf, loff_t offset, loff_t len,
goto out;
}
start = frag_entry.start / ctxt.cur_dev->blksz;
start = lldiv(frag_entry.start, ctxt.cur_dev->blksz);
table_size = SQFS_BLOCK_SIZE(frag_entry.size);
table_offset = frag_entry.start - (start * ctxt.cur_dev->blksz);
n_blks = DIV_ROUND_UP(table_size + table_offset, ctxt.cur_dev->blksz);