[LTP] [PATCH] Fix temporary file creation in mmapstress tests

[Jiri Palecek]

Hello,

these are two little fixes of the mmapstress test.

 - the mkstemp() function returns -1 on error; the tests treat 0 as
   error instead

 - mkstemp() returns a file descriptor; no need to open the file once
   more later

Regards
    Jiri Palecek

Signed-off-by: Jiri Palecek <jpale...@web.de>
---
 testcases/kernel/mem/mmapstress/mmapstress02.c |    6 +-----
 testcases/kernel/mem/mmapstress/mmapstress05.c |    6 +-----
 2 files changed, 2 insertions(+), 10 deletions(-)

diff --git a/testcases/kernel/mem/mmapstress/mmapstress02.c 
b/testcases/kernel/mem/mmapstress/mmapstress02.c
index a0f0693..f801a2e 100644
--- a/testcases/kernel/mem/mmapstress/mmapstress02.c
+++ b/testcases/kernel/mem/mmapstress/mmapstress02.c
@@ -101,7 +101,7 @@ main(int argc, char *argv[]) {
                return 1;
        }
        (void)time(&t);
-       if (!(fd = mkstemp(tmpname))) {
+       if ((fd = mkstemp(tmpname)) == -1) {
                ERROR("mkstemp failed");
                anyfail();
        }
@@ -114,10 +114,6 @@ main(int argc, char *argv[]) {
         CATCH_SIG(SIGINT);
         CATCH_SIG(SIGQUIT);
         CATCH_SIG(SIGTERM);
-       if ((fd = open(tmpname, O_CREAT|O_RDWR, 0777)) == -1) {
-               ERROR("couldn't open temporary file");
-               anyfail();
-       }
        if (sbrk(2*pagesize - ((ulong)sbrk(0) & (pagesize-1))) == (char *)-1) {
                CLEANERROR("couldn't round up brk");
                anyfail();
diff --git a/testcases/kernel/mem/mmapstress/mmapstress05.c 
b/testcases/kernel/mem/mmapstress/mmapstress05.c
index 9155834..4d25b8d 100644
--- a/testcases/kernel/mem/mmapstress/mmapstress05.c
+++ b/testcases/kernel/mem/mmapstress/mmapstress05.c
@@ -133,7 +133,7 @@ main(int argc, char *argv[])
        -- sreeni
        */
 
-       if (!(fd = mkstemp(tmpname))) {
+       if ((fd = mkstemp(tmpname))==-1) {
                ERROR("mkstemp failed");
                anyfail();
        }
@@ -146,10 +146,6 @@ main(int argc, char *argv[])
        CATCH_SIG(SIGINT);
         CATCH_SIG(SIGQUIT);
         CATCH_SIG(SIGTERM);
-       if ((fd = open(tmpname, O_RDWR|O_CREAT, 0777)) == -1) {
-               ERROR("open failed");
-               anyfail();
-       }
        for (i = 0; i < pagesize; i++)
                buf[i] = 'a';
        if (write(fd, buf, pagesize) != pagesize) {
-- 
1.6.4.3




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