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Subject[PATCH] 2.5.62: /proc/ide/hpt366 returns incomplete data [7/17]
This patch fixes the incomplete data return problem of /proc/ide/hpt366.
When the number of consecutive read bytes are smaller than the total
data in hpt366_get_info(), the second read() returns 0.

--- linux-2.5.62-vanilla/drivers/ide/pci/hpt366.c Sat Feb 22 23:00:40 2003
+++ linux-2.5.62/drivers/ide/pci/hpt366.c Sun Feb 23 00:01:09 2003
@@ -85,7 +85,7 @@
char *chipset_nums[] = {"366", "366", "368",
"370", "370A", "372",
"302", "371", "374" };
- int i;
+ int i, len;

p += sprintf(p, "\n "
"HighPoint HPT366/368/370/372/374\n");
@@ -153,8 +153,12 @@
}
}
p += sprintf(p, "\n");
+
+ /* p - buffer must be less than 4k! */
+ len = (p - buffer) - offset;
+ *addr = buffer + offset;

- return p-buffer;/* => must be less than 4k! */
+ return len > count ? count : len;
}
#endif /* defined(DISPLAY_HPT366_TIMINGS) && defined(CONFIG_PROC_FS) */


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