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fat.c: fix warning: array subscript is above array bounds

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Fix based on suggestion by David Hawkins <dwh@ovro.caltech.edu>.

Signed-off-by: Wolfgang Denk <wd@denx.de>
This commit is contained in:
Wolfgang Denk 2009-01-27 21:36:28 +01:00
parent 107b801cf3
commit 65f7d41031
1 changed files with 7 additions and 3 deletions
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10
fs/fat/fat.c
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@ -672,6 +672,7 @@ read_bootsectandvi(boot_sector *bs, volume_info *volinfo, int *fatsize)
{
__u8 block[FS_BLOCK_SIZE];
volume_info *vistart;
char *fstype;
if (disk_read(0, 1, block) < 0) {
FAT_DPRINT("Error: reading block\n");
@ -704,9 +705,12 @@ read_bootsectandvi(boot_sector *bs, volume_info *volinfo, int *fatsize)
}
memcpy(volinfo, vistart, sizeof(volume_info));
/* Terminate fs_type string. Writing past the end of vistart
is ok - it's just the buffer. */
vistart->fs_type[8] = '\0';
/*
* Terminate fs_type string. Writing past the end of vistart
* is ok - it's just the buffer.
*/
fstype = vistart->fs_type;
fstype[8] = '\0';
if (*fatsize == 32) {
if (compare_sign(FAT32_SIGN, vistart->fs_type) == 0) {