Messages in this thread Patch in this message | | | Date | Sun, 23 Feb 2003 00:56:20 +0200 | From | Faik Uygur <> | Subject | [PATCH] 2.5.62: /proc/ide/cs5520 returns incomplete data [5/17] |
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This patch fixes the incomplete data return problem of /proc/ide/cs5520. When the number of consecutive read bytes are smaller than the total data in cs5520_get_info(), the second read() returns 0.
--- linux-2.5.62-vanilla/drivers/ide/pci/cs5520.c Sat Feb 22 23:00:43 2003 +++ linux-2.5.62/drivers/ide/pci/cs5520.c Sat Feb 22 23:28:28 2003 @@ -65,6 +65,7 @@ { char *p = buffer; unsigned long bmiba = pci_resource_start(bmide_dev, 2); + int len; u8 c0 = 0, c1 = 0; u16 reg16; u32 reg32; @@ -94,7 +95,10 @@ pci_read_config_dword(bmide_dev, 0x68, ®32); p += sprintf(p, "16bit Secondary: %08x\n", reg32); - return p-buffer; + len = (p - buffer) - offset; + *addr = buffer + offset; + + return len > count ? count : len; } #endif - 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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