[U-Boot] [PATCH 04/14] part_iso: Drop the customer unaligned access functions
Simon Glass
sjg at chromium.org
Wed Mar 16 14:45:34 CET 2016
One of these is causing a coverity warning. Drop these functions and use the
standard U-Boot ones instead.
Reported-by: Coverity (CID: 138499)
Signed-off-by: Simon Glass <sjg at chromium.org>
---
disk/part_iso.c | 27 ++++-----------------------
1 file changed, 4 insertions(+), 23 deletions(-)
diff --git a/disk/part_iso.c b/disk/part_iso.c
index b83983b..2114faf 100644
--- a/disk/part_iso.c
+++ b/disk/part_iso.c
@@ -7,6 +7,7 @@
#include <common.h>
#include <command.h>
+#include <asm/unaligned.h>
#include "part_iso.h"
#ifdef HAVE_BLOCK_DEVICE
@@ -25,26 +26,6 @@
static unsigned char tmpbuf[CD_SECTSIZE];
-/* Convert char[4] in little endian format to the host format integer
- */
-static inline unsigned long le32_to_int(unsigned char *le32)
-{
- return ((le32[3] << 24) +
- (le32[2] << 16) +
- (le32[1] << 8) +
- le32[0]
- );
-}
-/* Convert char[2] in little endian format to the host format integer
- */
-static inline unsigned short le16_to_int(unsigned char *le16)
-{
- return ((le16[1] << 8) +
- le16[0]
- );
-}
-
-
/* only boot records will be listed as valid partitions */
int part_get_info_iso_verb(struct blk_desc *dev_desc, int part_num,
disk_partition_t *info, int verb)
@@ -103,7 +84,7 @@ int part_get_info_iso_verb(struct blk_desc *dev_desc, int part_num,
pbr->ident_str, dev_desc->devnum, part_num);
return (-1);
}
- bootaddr=le32_to_int(pbr->pointer);
+ bootaddr = get_unaligned_le32(pbr->pointer);
PRINTF(" Boot Entry at: %08lX\n",bootaddr);
if (blk_dread(dev_desc, bootaddr, 1, (ulong *)tmpbuf) != 1) {
if(verb)
@@ -203,7 +184,7 @@ found:
}
switch(pide->boot_media) {
case 0x00: /* no emulation */
- info->size=le16_to_int(pide->sec_cnt)>>2;
+ info->size = get_unaligned_le16(pide->sec_cnt)>>2;
break;
case 0x01: info->size=2400>>2; break; /* 1.2MByte Floppy */
case 0x02: info->size=2880>>2; break; /* 1.44MByte Floppy */
@@ -211,7 +192,7 @@ found:
case 0x04: info->size=2880>>2; break; /* dummy (HD Emulation) */
default: info->size=0; break;
}
- newblkaddr=le32_to_int(pide->rel_block_addr);
+ newblkaddr = get_unaligned_le32(pide->rel_block_addr);
info->start=newblkaddr;
PRINTF(" part %d found @ %lx size %lx\n",part_num,newblkaddr,info->size);
return 0;
--
2.7.0.rc3.207.g0ac5344
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