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-rw-r--r--tests/pm_rps.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/tests/pm_rps.c b/tests/pm_rps.c
index e8affdbc..91234515 100644
--- a/tests/pm_rps.c
+++ b/tests/pm_rps.c
@@ -22,6 +22,7 @@
*
* Authors:
* Ben Widawsky <ben@bwidawsk.net>
+ * Jeff McGee <jeff.mcgee@intel.com>
*
*/
@@ -66,7 +67,6 @@ static int readval(FILE *filp)
int val;
int scanned;
- fflush(filp);
rewind(filp);
scanned = fscanf(filp, "%d", &val);
igt_assert(scanned == 1);
@@ -76,15 +76,11 @@ static int readval(FILE *filp)
static int do_writeval(FILE *filp, int val, int lerrno)
{
- /* Must write twice to sysfs since the first one simply calculates the size and won't return the error */
int ret;
rewind(filp);
ret = fprintf(filp, "%d", val);
- rewind(filp);
- ret = fprintf(filp, "%d", val);
if (ret && lerrno)
igt_assert(errno = lerrno);
- fflush(filp);
return ret;
}
#define writeval(filp, val) do_writeval(filp, val, 0)
@@ -146,6 +142,7 @@ igt_simple_main
igt_assert(ret != -1);
junk->filp = fopen(path, junk->mode);
igt_require(junk->filp);
+ setbuf(junk->filp, NULL);
val = readval(junk->filp);
igt_assert(val >= 0);