2.5.62: /proc/ide/aec62xx returns incomplete data [1/17]

PATCH New Faik Uygur 1 participant 1 message Feb 22, 2003

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Faik Uygur

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2003-02-22 22:22 UTC #0 lore raw

PATCH 1/1 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.

drivers/ide/pci/aec62xx.c +6 -1

@@ -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) */