Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 22 Feb 2003 17:50:00 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 22 Feb 2003 17:50:00 -0500 Received: from [212.156.4.132] ([212.156.4.132]:38903 "EHLO fep02.ttnet.net.tr") by vger.kernel.org with ESMTP id ; Sat, 22 Feb 2003 17:49:58 -0500 Date: Sun, 23 Feb 2003 01:00:09 +0200 From: Faik Uygur To: andre@linux-ide.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH] 2.5.62: /proc/ide/hpt34x returns incomplete data [6/17] Message-ID: <20030222230009.GE2996@ttnet.net.tr> Mail-Followup-To: andre@linux-ide.org, linux-kernel@vger.kernel.org Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-9 Content-Disposition: inline User-Agent: Mutt/1.4i X-PGP-Fingerprint: 15 C0 AA 31 59 F9 DE 4F 7D A6 C7 D8 A0 D5 67 73 X-PGP-Key-ID: 0x5C447959 X-PGP-Key-Size: 2048 bits X-Editor: GNU Emacs 21.2.1 X-Operating-System: Debian GNU/Linux Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1128 Lines: 35 This patch fixes the incomplete data return problem of /proc/ide/hpt34x. When the number of consecutive read bytes are smaller than the total data in hpt34x_get_info(), the second read() returns 0. --- linux-2.5.62-vanilla/drivers/ide/pci/hpt34x.c Sat Feb 22 23:00:40 2003 +++ linux-2.5.62/drivers/ide/pci/hpt34x.c Sat Feb 22 23:31:17 2003 @@ -58,7 +58,7 @@ static int hpt34x_get_info (char *buffer, char **addr, off_t offset, int count) { char *p = buffer; - int i; + int i, len; p += sprintf(p, "\n " "HPT34X Chipset.\n"); @@ -96,7 +96,11 @@ } p += sprintf(p, "\n"); - return p-buffer; /* => must be less than 4k! */ + /* p - buffer must be less than 4k! */ + len = (p - buffer) - offset; + *addr = buffer + offset; + + return len > count ? count : len; } #endif /* defined(DISPLAY_HPT34X_TIMINGS) && defined(CONFIG_PROC_FS) */ - 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/