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fix string length check

PATCH New Christoph Egger 1 participant 1 message Nov 27, 2007

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Christoph Egger

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PATCH 1/1 fix string length check

Hi!

Attached patch passes correct length to vsnprintf().

Signed-off-by Christoph Egger <[email protected]>
Signature · 12 lines
AMD Saxony, Dresden, Germany
Operating System Research Center

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AMD Saxony Limited Liability Company & Co. KG
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   Wilschdorfer Landstr. 101, 01109 Dresden, Deutschland
Registergericht Dresden: HRA 4896
vertretungsberechtigter Komplementär:
   AMD Saxony LLC (Sitz Wilmington, Delaware, USA)
Geschäftsführer der AMD Saxony LLC:
   Dr. Hans-R. Deppe, Thomas McCoy
xen/drivers/char/console.c +1 -1
diff -r 26e766e0c628 xen/drivers/char/console.c
@@ -835,7 +835,7 @@ void debugtrace_printk(const char *fmt, 
     snprintf(buf, sizeof(buf), "%u ", ++count);
 
     va_start(args, fmt);
-    (void)vsnprintf(buf + strlen(buf), sizeof(buf), fmt, args);
+    (void)vsnprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), fmt, args);
     va_end(args);
 
     if ( debugtrace_send_to_console )

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