Messages in this thread Patch in this message | | | Date | Sun, 23 Feb 2003 01:52:10 +0200 | From | Faik Uygur <> | Subject | [PATCH] 2.5.62: /proc/ide/triflex returns incomplete data [17/17] |
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This patch fixes the incomplete data return problem of /proc/ide/triflex. When the number of consecutive read bytes are smaller than the total data in triflex_get_info(), the second read() returns 0.
--- linux-2.5.62-vanilla/drivers/ide/pci/triflex.c Sun Feb 23 00:08:33 2003 +++ linux-2.5.62/drivers/ide/pci/triflex.c Sat Feb 22 23:52:14 2003 @@ -49,6 +49,7 @@ static int triflex_get_info(char *buf, char **addr, off_t offset, int count) { char *p = buf; + int len; struct pci_dev *dev = triflex_dev; unsigned long bibma = pci_resource_start(dev, 4); @@ -85,8 +86,11 @@ p += sprintf(p, "DMA\n"); p += sprintf(p, "PIO\n"); + + len = (p - buf) - offset; + *addr = buf + offset; - return p-buf; + return len > count ? count : len; } static int triflex_tune_chipset(ide_drive_t *drive, u8 xferspeed)
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