Messages in this thread Patch in this message | | | Date | Sun, 23 Feb 2003 00:41:08 +0200 | From | Faik Uygur <> | Subject | [PATCH] 2.5.62: /proc/ide/ali returns incomplete data [2/17] |
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This patch fixes the incomplete data return problem of /proc/ide/ali. When the number of consecutive read bytes are smaller than the total data in ali_get_info(), the second read() returns 0.
--- linux-2.5.62-vanilla/drivers/ide/pci/alim15x3.c Tue Dec 24 07:20:01 2002 +++ linux-2.5.62/drivers/ide/pci/alim15x3.c Sat Feb 22 23:17:15 2003 @@ -96,6 +96,7 @@ { u32 bibma; u8 reg53h, reg5xh, reg5yh, reg5xh1, reg5yh1, c0, c1, rev, tmp; + int len; char *q, *p = buffer; /* fetch rev. */ @@ -270,7 +271,11 @@ udmaT[reg5yh & 0x07], udmaT[(reg5yh & 0x70) >> 4] ); - 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_ALI_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/
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