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Added extra safety checks.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2839 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Björn Stenberg 2002-11-12 20:02:23 +00:00
parent 5a7548afba
commit 099a6b58d1
2 changed files with 7 additions and 1 deletions
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3
firmware/drivers/ata.c
View file

@ -292,6 +292,9 @@ int ata_write_sectors(unsigned long start,
last_disk_activity = current_tick;
if (start == 0)
panicf("Writing on sector 0\n");
mutex_lock(&ata_mtx);
if ( sleeping ) {

5
firmware/drivers/fat.c
View file

@ -1128,8 +1128,11 @@ static bool transfer( int start, int count, char* buf, bool write )
int err;
LDEBUGF("transfer(s=%x, c=%x, %s)\n",start, count, write?"write":"read");
if (write)
if (write) {
if (start < fat_bpb.firstdatasector)
panicf("Writing before data\n");
err = ata_write_sectors(start, count, buf);
}
else
err = ata_read_sectors(start, count, buf);
if (err) {