Commit 3bcb80f1af107c25bf8c255f3ca88ac467f27a1a
1 parent
a42aa815
Fix sector size overflow, by Herbert Xu.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2237 c046a42c-6fe2-441c-8c8c-71466251a162
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hw/fdc.c
| @@ -888,7 +888,7 @@ static void fdctrl_start_transfer (fdctrl_t *fdctrl, int direction) | @@ -888,7 +888,7 @@ static void fdctrl_start_transfer (fdctrl_t *fdctrl, int direction) | ||
| 888 | fdctrl->data_len = fdctrl->fifo[8]; | 888 | fdctrl->data_len = fdctrl->fifo[8]; |
| 889 | } else { | 889 | } else { |
| 890 | int tmp; | 890 | int tmp; |
| 891 | - fdctrl->data_len = 128 << fdctrl->fifo[5]; | 891 | + fdctrl->data_len = 128 << (fdctrl->fifo[5] > 7 ? 7 : fdctrl->fifo[5]); |
| 892 | tmp = (cur_drv->last_sect - ks + 1); | 892 | tmp = (cur_drv->last_sect - ks + 1); |
| 893 | if (fdctrl->fifo[0] & 0x80) | 893 | if (fdctrl->fifo[0] & 0x80) |
| 894 | tmp += cur_drv->last_sect; | 894 | tmp += cur_drv->last_sect; |