This is a quick fix to avoid potential overflow in zram01 test.
Signed-off-by: Caspar Zhang <cas...@casparzhang.com>
---
testcases/kernel/mem/zram/zram01.c | 13 +++++++------
1 files changed, 7 insertions(+), 6 deletions(-)
diff --git a/testcases/kernel/mem/zram/zram01.c b/testcases/kernel/mem/zram/zram01.c
index 38adf63..70ae9b1 100644
--- a/testcases/kernel/mem/zram/zram01.c
+++ b/testcases/kernel/mem/zram/zram01.c
@@ -39,7 +39,7 @@ int TST_TOTAL = 1;
int modprobe = 0;
#define PATH_ZRAM "/sys/block/zram0"
-#define SIZE (512 * 1024 * 1024)
+#define SIZE (512 * 1024 * 1024L)
#define DEVICE "/dev/zram0"
static void set_disksize(void);
@@ -83,12 +83,12 @@ static void set_disksize(void)
int fd;
char size[BUFSIZ];
- tst_resm(TINFO, "create a zram device with %d bytes in size.", SIZE);
+ tst_resm(TINFO, "create a zram device with %ld bytes in size.", SIZE);
fd = open(PATH_ZRAM "/disksize", O_WRONLY);
if (fd == -1)
tst_brkm(TBROK|TERRNO, cleanup, "open %s",
PATH_ZRAM "/disksize");
- sprintf(size, "%d", SIZE);
+ sprintf(size, "%ld", SIZE);
if (write(fd, size, strlen(size)) != strlen(size))
tst_brkm(TBROK|TERRNO, cleanup, "write %s to %s", size,
PATH_ZRAM "/disksize");
@@ -120,7 +120,8 @@ static void write_device(void)
static void verify_device(void)
{
- int fd, i, fail;
+ int fd;
+ long i, fail;
char *s;
tst_resm(TINFO, "verify contents from device.");
@@ -139,10 +140,10 @@ static void verify_device(void)
i++;
}
if (i != SIZE-1)
- tst_resm(TFAIL, "expect size: %d, actual size: %d.",
+ tst_resm(TFAIL, "expect size: %ld, actual size: %ld.",
SIZE-1, i);
if (fail)
- tst_resm(TFAIL, "%d failed bytes found.", fail);
+ tst_resm(TFAIL, "%ld failed bytes found.", fail);
if (munmap(s, SIZE) == -1)
tst_brkm(TBROK|TERRNO, cleanup, "2nd munmap");
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