1 files changed, 5 insertions, 5 deletions

diff --git a/drivers/mtd/tests/subpagetest.c b/drivers/mtd/tests/subpagetest.c
index a876371ad410..7b59ef522d5e 100644
--- a/drivers/mtd/tests/subpagetest.c
+++ b/drivers/mtd/tests/subpagetest.c
@@ -57,7 +57,7 @@ static int write_eraseblock(int ebnum)
 {
         size_t written;
         int err = 0;
-        loff_t addr = ebnum * mtd->erasesize;
+        loff_t addr = (loff_t)ebnum * mtd->erasesize;
 
         prandom_bytes_state(&rnd_state, writebuf, subpgsize);
         err = mtd_write(mtd, addr, subpgsize, &written, writebuf);
@@ -92,7 +92,7 @@ static int write_eraseblock2(int ebnum)
 {
         size_t written;
         int err = 0, k;
-        loff_t addr = ebnum * mtd->erasesize;
+        loff_t addr = (loff_t)ebnum * mtd->erasesize;
 
         for (k = 1; k < 33; ++k) {
                 if (addr + (subpgsize * k) > (ebnum + 1) * mtd->erasesize)
@@ -131,7 +131,7 @@ static int verify_eraseblock(int ebnum)
 {
         size_t read;
         int err = 0;
-        loff_t addr = ebnum * mtd->erasesize;
+        loff_t addr = (loff_t)ebnum * mtd->erasesize;
 
         prandom_bytes_state(&rnd_state, writebuf, subpgsize);
         clear_data(readbuf, subpgsize);
@@ -192,7 +192,7 @@ static int verify_eraseblock2(int ebnum)
 {
         size_t read;
         int err = 0, k;
-        loff_t addr = ebnum * mtd->erasesize;
+        loff_t addr = (loff_t)ebnum * mtd->erasesize;
 
         for (k = 1; k < 33; ++k) {
                 if (addr + (subpgsize * k) > (ebnum + 1) * mtd->erasesize)
@@ -227,7 +227,7 @@ static int verify_eraseblock_ff(int ebnum)
         uint32_t j;
         size_t read;
         int err = 0;
-        loff_t addr = ebnum * mtd->erasesize;
+        loff_t addr = (loff_t)ebnum * mtd->erasesize;
 
         memset(writebuf, 0xff, subpgsize);
         for (j = 0; j < mtd->erasesize / subpgsize; ++j) {