lkml.org 
[lkml]   [2003]   [Feb]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH] 2.5.62: /proc/ide/triflex returns incomplete data [17/17]
This patch fixes the incomplete data return problem of /proc/ide/triflex.
When the number of consecutive read bytes are smaller than the total
data in triflex_get_info(), the second read() returns 0.

--- linux-2.5.62-vanilla/drivers/ide/pci/triflex.c Sun Feb 23 00:08:33 2003
+++ linux-2.5.62/drivers/ide/pci/triflex.c Sat Feb 22 23:52:14 2003
@@ -49,6 +49,7 @@
static int triflex_get_info(char *buf, char **addr, off_t offset, int count)
{
char *p = buf;
+ int len;

struct pci_dev *dev = triflex_dev;
unsigned long bibma = pci_resource_start(dev, 4);
@@ -85,8 +86,11 @@

p += sprintf(p, "DMA\n");
p += sprintf(p, "PIO\n");
+
+ len = (p - buf) - offset;
+ *addr = buf + offset;

- return p-buf;
+ return len > count ? count : len;
}

static int triflex_tune_chipset(ide_drive_t *drive, u8 xferspeed)




-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:33    [W:0.047 / U:1.292 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site