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Subject[PATCH] 2.5.62: /proc/ide/cs5520 returns incomplete data [5/17]
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, &reg32);
p += sprintf(p, "16bit Secondary: %08x\n", reg32);

- return p-buffer;
+ len = (p - buffer) - offset;
+ *addr = buffer + offset;
+
+ return len > count ? count : len;
}

#endif
-
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