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| author | Jiri Slaby <jirislaby@gmail.com> | 2006-09-30 23:27:50 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-01 00:39:22 -0700 |
| commit | e4e040887b8f136d00e253dcf584667d8cd560a6 (patch) | |
| tree | 70672802a7ace7663f6d785845a30418ee3ff305 | |
| parent | 3f27100872b21e4cc70d07b96eeb3611b30bce63 (diff) | |
| download | linux-e4e040887b8f136d00e253dcf584667d8cd560a6.tar.gz linux-e4e040887b8f136d00e253dcf584667d8cd560a6.tar.bz2 linux-e4e040887b8f136d00e253dcf584667d8cd560a6.zip | |
[PATCH] isicom: correct firmware loading
- 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>
| -rw-r--r-- | drivers/char/isicom.c | 35 |
1 files changed, 19 insertions, 16 deletions
diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c index 913be23e0a24..2e1da632aee1 100644 --- a/drivers/char/isicom.c +++ b/drivers/char/isicom.c @@ -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; |