Messages in this thread Patch in this message | | | Subject | PATCH: add new settings locks to ide-proc | Date | Tue, 18 Feb 2003 18:09:47 +0000 (GMT) | From | Alan Cox <> |
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diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.61/drivers/ide/ide-proc.c linux-2.5.61-ac2/drivers/ide/ide-proc.c --- linux-2.5.61/drivers/ide/ide-proc.c 2003-02-10 18:38:42.000000000 +0000 +++ linux-2.5.61-ac2/drivers/ide/ide-proc.c 2003-02-18 18:06:17.000000000 +0000 @@ -434,6 +454,7 @@ char *out = page; int len, rc, mul_factor, div_factor; + down(&ide_setting_sem); out += sprintf(out, "name\t\t\tvalue\t\tmin\t\tmax\t\tmode\n"); out += sprintf(out, "----\t\t\t-----\t\t---\t\t---\t\t----\n"); while(setting) { @@ -453,6 +474,7 @@ setting = setting->next; } len = out - page; + up(&ide_setting_sem); PROC_IDE_READ_RETURN(page,start,off,count,eof,len); } @@ -521,12 +543,17 @@ --n; ++p; } + + down(&ide_setting_sem); setting = ide_find_setting_by_name(drive, name); if (!setting) + { + up(&ide_setting_sem); goto parse_error; - + } if (for_real) ide_write_setting(drive, setting, val * setting->div_factor / setting->mul_factor); + up(&ide_setting_sem); } } while (!for_real++); return count; - 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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