2.5.62: /proc/ide/cs5520 returns incomplete data [5/17]

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

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Faik Uygur

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2003-02-22 22:46 UTC #0 lore raw

PATCH 1/1 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.

drivers/ide/pci/cs5520.c +5 -1

@@ -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