From: Faik Uygur <faikuygur@ttnet.net.tr>
To: mlord@pobox.com
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] 2.5.62: /proc/ide/sc1200 returns incomplete data [12/17]
Date: Sun, 23 Feb 2003 01:23:29 +0200 [thread overview]
Message-ID: <20030222232329.GK2996@ttnet.net.tr> (raw)
This patch fixes the incomplete data return problem of /proc/ide/sc1200.
When the number of consecutive read bytes are smaller than the total
data in sc1200_get_info(), the second read() returns 0.
--- linux-2.5.62-vanilla/drivers/ide/pci/sc1200.c Sat Feb 22 23:00:43 2003
+++ linux-2.5.62/drivers/ide/pci/sc1200.c Sat Feb 22 23:38:40 2003
@@ -84,6 +84,7 @@
{
char *p = buffer;
unsigned long bibma = pci_resource_start(bmide_dev, 4);
+ int len;
u8 c0 = 0, c1 = 0;
/*
@@ -108,7 +109,10 @@
p += sprintf(p, "DMA\n");
p += sprintf(p, "PIO\n");
- return p-buffer;
+ len = (p - buffer) - offset;
+ *addr = buffer + offset;
+
+ return len > count ? count : len;
}
#endif /* DISPLAY_SC1200_TIMINGS && CONFIG_PROC_FS */
reply other threads:[~2003-02-22 23:13 UTC|newest]
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