mtd: tests: incorporate error message for mtdtest_write()

All callers of mtdtest_write() print the same error message on failure.
This incorporates the error message to mtdtest_write() and removes them
from the callers.

Signed-off-by: Akinobu Mita <[e-mail]>
Signed-off-by: Artem Bityutskiy <[e-mail]>
Signed-off-by: David Woodhouse <[e-mail]>

drivers/mtd/tests/mtd_test.c

···
 	err = mtd_write(mtd, addr, size, &written, buf);
 	if (!err && written != size)
 		err = -EIO;
+	if (err)
+		pr_err("error: write failed at %#llx\n", addr);
 
 	return err;
 }

drivers/mtd/tests/nandbiterrs.c

···
 /* Writes wbuffer to page */
 static int write_page(int log)
 {
-	int err;
-
 	if (log)
 		pr_info("write_page\n");
 
-	err = mtdtest_write(mtd, offset, mtd->writesize, wbuffer);
-	if (err)
-		pr_err("error: write failed at %#llx\n", (long long)offset);
-
-	return err;
+	return mtdtest_write(mtd, offset, mtd->writesize, wbuffer);
 }
 
 /* Re-writes the data area while leaving the OOB alone. */

drivers/mtd/tests/pagetest.c

···
 
 static int write_eraseblock(int ebnum)
 {
-	int err;
 	loff_t addr = ebnum * mtd->erasesize;
 
 	prandom_bytes_state(&rnd_state, writebuf, mtd->erasesize);
 	cond_resched();
-	err = mtdtest_write(mtd, addr, mtd->erasesize, writebuf);
-	if (err)
-		pr_err("error: write failed at %#llx\n",
-		       (long long)addr);
-
-	return err;
+	return mtdtest_write(mtd, addr, mtd->erasesize, writebuf);
 }
 
 static int verify_eraseblock(int ebnum)
···
 	prandom_bytes_state(&rnd_state, writebuf, pgsize);
 	strcpy(writebuf, "There is no data like this!");
 	err = mtdtest_write(mtd, addr0, pgsize, writebuf);
-	if (err) {
-		pr_info("error: write failed at %#llx\n",
-		       (long long)addr0);
+	if (err)
 		return err;
-	}
 
 	pr_info("reading 1st page of block %d\n", ebnum);
 	memset(readbuf, 0, pgsize);
···
 	prandom_bytes_state(&rnd_state, writebuf, pgsize);
 	strcpy(writebuf, "There is no data like this!");
 	err = mtdtest_write(mtd, addr0, pgsize, writebuf);
-	if (err) {
-		pr_err("error: write failed at %#llx\n",
-		       (long long)addr0);
+	if (err)
 		return err;
-	}
 
 	pr_info("erasing block %d\n", ebnum2);
 	err = mtdtest_erase_eraseblock(mtd, ebnum2);
···
 	pr_info("writing 1st page of block %d\n", ebnum);
 	prandom_bytes_state(&rnd_state, writebuf, pgsize);
 	err = mtdtest_write(mtd, addr0, pgsize, writebuf);
-	if (err) {
-		pr_err("error: write failed at %#llx\n",
-		       (long long)addr0);
+	if (err)
 		return err;
-	}
 
 	pr_info("erasing block %d\n", ebnum);
 	err = mtdtest_erase_eraseblock(mtd, ebnum);

drivers/mtd/tests/speedtest.c

···
 
 static int write_eraseblock(int ebnum)
 {
-	int err;
 	loff_t addr = ebnum * mtd->erasesize;
 
-	err = mtdtest_write(mtd, addr, mtd->erasesize, iobuf);
-	if (err)
-		pr_err("error: write failed at %#llx\n", addr);
-
-	return err;
+	return mtdtest_write(mtd, addr, mtd->erasesize, iobuf);
 }
 
 static int write_eraseblock_by_page(int ebnum)
···
 
 	for (i = 0; i < pgcnt; i++) {
 		err = mtdtest_write(mtd, addr, pgsize, buf);
-		if (err) {
-			pr_err("error: write failed at %#llx\n",
-			       addr);
+		if (err)
 			break;
-		}
 		addr += pgsize;
 		buf += pgsize;
 	}
···
 
 	for (i = 0; i < n; i++) {
 		err = mtdtest_write(mtd, addr, sz, buf);
-		if (err) {
-			pr_err("error: write failed at %#llx\n",
-			       addr);
+		if (err)
 			return err;
-		}
 		addr += sz;
 		buf += sz;
 	}
-	if (pgcnt % 2) {
+	if (pgcnt % 2)
 		err = mtdtest_write(mtd, addr, pgsize, buf);
-		if (err) {
-			pr_err("error: write failed at %#llx\n",
-			       addr);
-		}
-	}
 
 	return err;
 }

drivers/mtd/tests/stresstest.c

···
 	}
 	addr = eb * mtd->erasesize + offs;
 	err = mtdtest_write(mtd, addr, len, writebuf);
-	if (unlikely(err)) {
-		pr_err("error: write failed at 0x%llx\n",
-		       (long long)addr);
+	if (unlikely(err))
 		return err;
-	}
 	offs += len;
 	while (offs > mtd->erasesize) {
 		offsets[eb++] = mtd->erasesize;