This patch fixes minor problem that the CPUSETS have when files
in the cpuset filesystem are read after lseek()-ed beyond the EOF.
Signed-off-by: KUROSAWA Takahiro <[email protected]>
--- from-0001/kernel/cpuset.c
+++ to-work/kernel/cpuset.c 2005-09-05 20:26:18.075772762 +0900
@@ -984,6 +984,10 @@ static ssize_t cpuset_common_file_read(s
*s++ = '\n';
*s = '\0';
+ /* Do nothing if *ppos is at the eof or beyond the eof. */
+ if (s - page <= *ppos)
+ return 0;
+
start = page + *ppos;
n = s - start;
retval = n - copy_to_user(buf, start, min(n, nbytes));
-
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