Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | Date | Tue, 8 Apr 2003 01:14:53 +0100 | From | Alan Cox <> | Subject | PATCH: error handling for upd4990a |
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(Stephan Maciej) diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.67/drivers/char/upd4990a.c linux-2.5.67-ac1/drivers/char/upd4990a.c --- linux-2.5.67/drivers/char/upd4990a.c 2003-03-26 19:59:51.000000000 +0000 +++ linux-2.5.67-ac1/drivers/char/upd4990a.c 2003-04-03 23:43:02.000000000 +0100 @@ -343,19 +343,28 @@ static int __init rtc_init(void) { + int err = 0; + if (!request_region(UPD4990A_IO, 1, "rtc")) { printk(KERN_ERR "upd4990a: could not acquire I/O port %#x\n", UPD4990A_IO); return -EBUSY; } + err = misc_register(&rtc_dev); + if (err) { + printk(KERN_ERR "upd4990a: can't misc_register() on minor=%d\n", + RTC_MINOR); + release_region(UPD4990A_IO, 1); + return err; + } + #if 0 printk(KERN_INFO "\xB6\xDA\xDD\xC0\xDE \xC4\xDE\xB9\xB2 Driver\n"); /* Calender Clock Driver */ #else printk(KERN_INFO "Real Time Clock driver for NEC PC-9800 v" RTC98_VERSION "\n"); #endif - misc_register(&rtc_dev); create_proc_read_entry("driver/rtc", 0, NULL, rtc_read_proc, NULL); init_timer(&rtc_uie_timer); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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