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[PATCH] isicom: correct firmware loading

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- loading of firmware didn't fail when something went wrong (returned 0).

- pointer to frame was incremented only by sizeof(frame) excluding its
  data contents -- bad idea.

- tell the card we're ready just after checking is complete, not before.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jiri Slaby 2006-09-30 23:27:50 -07:00 committed by Linus Torvalds
parent 3f27100872
commit e4e040887b
1 changed files with 19 additions and 16 deletions
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35
drivers/char/isicom.c
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@ -1756,9 +1756,12 @@ static int __devinit load_firmware(struct pci_dev *pdev,
if (retval)
goto end;
retval = -EIO;
for (frame = (struct stframe *)fw->data;
frame < (struct stframe *)(fw->data + fw->size);
frame++) {
frame = (struct stframe *)((u8 *)(frame + 1) +
frame->count)) {
if (WaitTillCardIsFree(base))
goto errrelfw;
@ -1797,23 +1800,12 @@ static int __devinit load_firmware(struct pci_dev *pdev,
}
}
retval = -EIO;
if (WaitTillCardIsFree(base))
goto errrelfw;
outw(0xf2, base);
outw(0x800, base);
outw(0x0, base);
outw(0x0, base);
InterruptTheCard(base);
outw(0x0, base + 0x4); /* for ISI4608 cards */
/* XXX: should we test it by reading it back and comparing with original like
* in load firmware package? */
for (frame = (struct stframe*)fw->data;
frame < (struct stframe*)(fw->data + fw->size);
frame++) {
for (frame = (struct stframe *)fw->data;
frame < (struct stframe *)(fw->data + fw->size);
frame = (struct stframe *)((u8 *)(frame + 1) +
frame->count)) {
if (WaitTillCardIsFree(base))
goto errrelfw;
@ -1863,6 +1855,17 @@ static int __devinit load_firmware(struct pci_dev *pdev,
}
}
/* xfer ctrl */
if (WaitTillCardIsFree(base))
goto errrelfw;
outw(0xf2, base);
outw(0x800, base);
outw(0x0, base);
outw(0x0, base);
InterruptTheCard(base);
outw(0x0, base + 0x4); /* for ISI4608 cards */
board->status |= FIRMWARE_LOADED;
retval = 0;