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Subject[PATCH] 2.5.62: /proc/ide/aec62xx returns incomplete data [1/17]
This patch fixes the incomplete data return problem of /proc/ide/aec62xx.
When the number of consecutive read bytes are smaller than the total
data in aec62xx_get_info(), the second read() returns 0.

--- linux-2.5.62-vanilla/drivers/ide/pci/aec62xx.c Sat Feb 22 23:00:40 2003
+++ linux-2.5.62/drivers/ide/pci/aec62xx.c Sat Feb 22 23:08:36 2003
@@ -38,6 +38,7 @@
char *chipset_nums[] = {"error", "error", "error", "error",
"error", "error", "850UF", "860",
"860R", "865", "865R", "error" };
+ int len;
int i;

for (i = 0; i < n_aec_devs; i++) {
@@ -170,7 +171,11 @@
#endif /* DEBUG_AEC_REGS */
}
}
- return p-buffer;/* => must be less than 4k! */
+ /* p - buffer must be less than 4k! */
+ len = (p - buffer) - offset;
+ *addr = buffer + offset;
+
+ return len > count ? count : len;
}
#endif /* defined(DISPLAY_AEC62xx_TIMINGS) && defined(CONFIG_PROC_FS) */


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