jackcartersmith/xilinx-usb-driver
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print errorstring when /dev/parportX can't be opened

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michael 2007-03-14 23:22:50 +00:00
parent 543579946c
commit 459c6ef789
1 changed files with 3 additions and 0 deletions
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3
usb-driver.c
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@ -349,6 +349,9 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
DPRINTF("opening %s\n", ppdev); DPRINTF("opening %s\n", ppdev);
parportfd = open(ppdev, O_RDWR|O_EXCL); parportfd = open(ppdev, O_RDWR|O_EXCL);
parportnum++; parportnum++;
if (parportfd < 0)
fprintf(stderr,"Can't open %s: %s\n", ppdev, strerror(errno));
} }
if (parportfd >= 0) { if (parportfd >= 0) {