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)