This patch fixes the incomplete data return problem of /proc/ide/amd74xx.
When the number of consecutive read bytes are smaller than the total
data in amd74xx_get_info(), the second read() returns 0.
--- linux-2.5.62-vanilla/drivers/ide/pci/amd74xx.c Sat Feb 22 23:01:04 2003
+++ linux-2.5.62/drivers/ide/pci/amd74xx.c Sat Feb 22 23:19:56 2003
@@ -98,6 +98,7 @@
unsigned int v, u, i;
unsigned short c, w;
unsigned char t;
+ int len;
char *p = buffer;
amd_print("----------AMD BusMastering IDE Configuration----------------");
@@ -167,7 +168,11 @@
amd_print_drive("Cycle Time: ", "%8dns", cycle[i]);
amd_print_drive("Transfer Rate: ", "%4d.%dMB/s", speed[i] / 1000, speed[i] / 100 % 10);
- return p - buffer; /* hoping it is less than 4K... */
+ /* hoping p - buffer is less than 4K... */
+ len = (p - buffer) - offset;
+ *addr = buffer + offset;
+
+ return len > count ? count : len;
}
#endif
-
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This archive was generated by hypermail 2b29 : Sun Feb 23 2003 - 22:00:36 EST