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-rw-r--r--drivers/mtd/tests/mtd_nandecctest.c6
-rw-r--r--drivers/mtd/tests/mtd_test.h12
-rw-r--r--drivers/mtd/tests/nandbiterrs.c4
-rw-r--r--drivers/mtd/tests/oobtest.c90
-rw-r--r--drivers/mtd/tests/pagetest.c10
-rw-r--r--drivers/mtd/tests/readtest.c5
-rw-r--r--drivers/mtd/tests/speedtest.c38
-rw-r--r--drivers/mtd/tests/stresstest.c9
-rw-r--r--drivers/mtd/tests/subpagetest.c29
-rw-r--r--drivers/mtd/tests/torturetest.c23
10 files changed, 165 insertions, 61 deletions
diff --git a/drivers/mtd/tests/mtd_nandecctest.c b/drivers/mtd/tests/mtd_nandecctest.c
index e579f9027c47..79316159eec6 100644
--- a/drivers/mtd/tests/mtd_nandecctest.c
+++ b/drivers/mtd/tests/mtd_nandecctest.c
@@ -9,6 +9,8 @@
#include <linux/slab.h>
#include <linux/mtd/nand_ecc.h>
+#include "mtd_test.h"
+
/*
* Test the implementation for software ECC
*
@@ -274,6 +276,10 @@ static int nand_ecc_test_run(const size_t size)
}
pr_info("ok - %s-%zd\n",
nand_ecc_test[i].name, size);
+
+ err = mtdtest_relax();
+ if (err)
+ break;
}
error:
kfree(error_data);
diff --git a/drivers/mtd/tests/mtd_test.h b/drivers/mtd/tests/mtd_test.h
index f437c776c54f..4b7bee17c924 100644
--- a/drivers/mtd/tests/mtd_test.h
+++ b/drivers/mtd/tests/mtd_test.h
@@ -1,4 +1,16 @@
#include <linux/mtd/mtd.h>
+#include <linux/sched.h>
+
+static inline int mtdtest_relax(void)
+{
+ cond_resched();
+ if (signal_pending(current)) {
+ pr_info("aborting test due to pending signal!\n");
+ return -EINTR;
+ }
+
+ return 0;
+}
int mtdtest_erase_eraseblock(struct mtd_info *mtd, unsigned int ebnum);
int mtdtest_scan_for_bad_eraseblocks(struct mtd_info *mtd, unsigned char *bbt,
diff --git a/drivers/mtd/tests/nandbiterrs.c b/drivers/mtd/tests/nandbiterrs.c
index 273f7e553954..09a4ccac53a2 100644
--- a/drivers/mtd/tests/nandbiterrs.c
+++ b/drivers/mtd/tests/nandbiterrs.c
@@ -320,6 +320,10 @@ static int overwrite_test(void)
break;
}
+ err = mtdtest_relax();
+ if (err)
+ break;
+
opno++;
}
diff --git a/drivers/mtd/tests/oobtest.c b/drivers/mtd/tests/oobtest.c
index 5e061186eab1..8e8525f0202f 100644
--- a/drivers/mtd/tests/oobtest.c
+++ b/drivers/mtd/tests/oobtest.c
@@ -70,7 +70,7 @@ static int write_eraseblock(int ebnum)
int i;
struct mtd_oob_ops ops;
int err = 0;
- loff_t addr = ebnum * mtd->erasesize;
+ loff_t addr = (loff_t)ebnum * mtd->erasesize;
prandom_bytes_state(&rnd_state, writebuf, use_len_max * pgcnt);
for (i = 0; i < pgcnt; ++i, addr += mtd->writesize) {
@@ -112,7 +112,10 @@ static int write_whole_device(void)
return err;
if (i % 256 == 0)
pr_info("written up to eraseblock %u\n", i);
- cond_resched();
+
+ err = mtdtest_relax();
+ if (err)
+ return err;
}
pr_info("written %u eraseblocks\n", i);
return 0;
@@ -141,6 +144,31 @@ static size_t memcmpshow(loff_t addr, const void *cs, const void *ct, size_t cou
return bitflips;
}
+/*
+ * Compare with 0xff and show the address, offset and data bytes at
+ * comparison failure. Return number of bitflips encountered.
+ */
+static size_t memffshow(loff_t addr, loff_t offset, const void *cs,
+ size_t count)
+{
+ const unsigned char *su1;
+ int res;
+ size_t i = 0;
+ size_t bitflips = 0;
+
+ for (su1 = cs; 0 < count; ++su1, count--, i++) {
+ res = *su1 ^ 0xff;
+ if (res) {
+ pr_info("error @addr[0x%lx:0x%lx] 0x%x -> 0xff diff 0x%x\n",
+ (unsigned long)addr, (unsigned long)offset + i,
+ *su1, res);
+ bitflips += hweight8(res);
+ }
+ }
+
+ return bitflips;
+}
+
static int verify_eraseblock(int ebnum)
{
int i;
@@ -203,6 +231,15 @@ static int verify_eraseblock(int ebnum)
bitflips = memcmpshow(addr, readbuf + use_offset,
writebuf + (use_len_max * i) + use_offset,
use_len);
+
+ /* verify pre-offset area for 0xff */
+ bitflips += memffshow(addr, 0, readbuf, use_offset);
+
+ /* verify post-(use_offset + use_len) area for 0xff */
+ k = use_offset + use_len;
+ bitflips += memffshow(addr, k, readbuf + k,
+ mtd->ecclayout->oobavail - k);
+
if (bitflips > bitflip_limit) {
pr_err("error: verify failed at %#llx\n",
(long long)addr);
@@ -212,34 +249,8 @@ static int verify_eraseblock(int ebnum)
return -1;
}
} else if (bitflips) {
- pr_info("ignoring error as within bitflip_limit\n");
+ pr_info("ignoring errors as within bitflip limit\n");
}
-
- for (k = 0; k < use_offset; ++k)
- if (readbuf[k] != 0xff) {
- pr_err("error: verify 0xff "
- "failed at %#llx\n",
- (long long)addr);
- errcnt += 1;
- if (errcnt > 1000) {
- pr_err("error: too "
- "many errors\n");
- return -1;
- }
- }
- for (k = use_offset + use_len;
- k < mtd->ecclayout->oobavail; ++k)
- if (readbuf[k] != 0xff) {
- pr_err("error: verify 0xff "
- "failed at %#llx\n",
- (long long)addr);
- errcnt += 1;
- if (errcnt > 1000) {
- pr_err("error: too "
- "many errors\n");
- return -1;
- }
- }
}
if (vary_offset)
do_vary_offset();
@@ -310,7 +321,10 @@ static int verify_all_eraseblocks(void)
return err;
if (i % 256 == 0)
pr_info("verified up to eraseblock %u\n", i);
- cond_resched();
+
+ err = mtdtest_relax();
+ if (err)
+ return err;
}
pr_info("verified %u eraseblocks\n", i);
return 0;
@@ -421,7 +435,10 @@ static int __init mtd_oobtest_init(void)
goto out;
if (i % 256 == 0)
pr_info("verified up to eraseblock %u\n", i);
- cond_resched();
+
+ err = mtdtest_relax();
+ if (err)
+ goto out;
}
pr_info("verified %u eraseblocks\n", i);
@@ -634,7 +651,11 @@ static int __init mtd_oobtest_init(void)
goto out;
if (i % 256 == 0)
pr_info("written up to eraseblock %u\n", i);
- cond_resched();
+
+ err = mtdtest_relax();
+ if (err)
+ goto out;
+
addr += mtd->writesize;
}
}
@@ -672,7 +693,10 @@ static int __init mtd_oobtest_init(void)
}
if (i % 256 == 0)
pr_info("verified up to eraseblock %u\n", i);
- cond_resched();
+
+ err = mtdtest_relax();
+ if (err)
+ goto out;
}
pr_info("verified %u eraseblocks\n", i);
diff --git a/drivers/mtd/tests/pagetest.c b/drivers/mtd/tests/pagetest.c
index 88296e888e9d..ba1890d5632c 100644
--- a/drivers/mtd/tests/pagetest.c
+++ b/drivers/mtd/tests/pagetest.c
@@ -407,7 +407,10 @@ static int __init mtd_pagetest_init(void)
goto out;
if (i % 256 == 0)
pr_info("written up to eraseblock %u\n", i);
- cond_resched();
+
+ err = mtdtest_relax();
+ if (err)
+ goto out;
}
pr_info("written %u eraseblocks\n", i);
@@ -422,7 +425,10 @@ static int __init mtd_pagetest_init(void)
goto out;
if (i % 256 == 0)
pr_info("verified up to eraseblock %u\n", i);
- cond_resched();
+
+ err = mtdtest_relax();
+ if (err)
+ goto out;
}
pr_info("verified %u eraseblocks\n", i);
diff --git a/drivers/mtd/tests/readtest.c b/drivers/mtd/tests/readtest.c
index a54cf1511114..a3196b750a22 100644
--- a/drivers/mtd/tests/readtest.c
+++ b/drivers/mtd/tests/readtest.c
@@ -190,7 +190,10 @@ static int __init mtd_readtest_init(void)
if (!err)
err = ret;
}
- cond_resched();
+
+ err = mtdtest_relax();
+ if (err)
+ goto out;
}
if (err)
diff --git a/drivers/mtd/tests/speedtest.c b/drivers/mtd/tests/speedtest.c
index 5ee9f7021020..5a6f31af06f9 100644
--- a/drivers/mtd/tests/speedtest.c
+++ b/drivers/mtd/tests/speedtest.c
@@ -185,7 +185,7 @@ static long calc_speed(void)
(finish.tv_usec - start.tv_usec) / 1000;
if (ms == 0)
return 0;
- k = goodebcnt * (mtd->erasesize / 1024) * 1000;
+ k = (uint64_t)goodebcnt * (mtd->erasesize / 1024) * 1000;
do_div(k, ms);
return k;
}
@@ -269,7 +269,10 @@ static int __init mtd_speedtest_init(void)
err = write_eraseblock(i);
if (err)
goto out;
- cond_resched();
+
+ err = mtdtest_relax();
+ if (err)
+ goto out;
}
stop_timing();
speed = calc_speed();
@@ -284,7 +287,10 @@ static int __init mtd_speedtest_init(void)
err = read_eraseblock(i);
if (err)
goto out;
- cond_resched();
+
+ err = mtdtest_relax();
+ if (err)
+ goto out;
}
stop_timing();
speed = calc_speed();
@@ -303,7 +309,10 @@ static int __init mtd_speedtest_init(void)
err = write_eraseblock_by_page(i);
if (err)
goto out;
- cond_resched();
+
+ err = mtdtest_relax();
+ if (err)
+ goto out;
}
stop_timing();
speed = calc_speed();
@@ -318,7 +327,10 @@ static int __init mtd_speedtest_init(void)
err = read_eraseblock_by_page(i);
if (err)
goto out;
- cond_resched();
+
+ err = mtdtest_relax();
+ if (err)
+ goto out;
}
stop_timing();
speed = calc_speed();
@@ -337,7 +349,10 @@ static int __init mtd_speedtest_init(void)
err = write_eraseblock_by_2pages(i);
if (err)
goto out;
- cond_resched();
+
+ err = mtdtest_relax();
+ if (err)
+ goto out;
}
stop_timing();
speed = calc_speed();
@@ -352,7 +367,10 @@ static int __init mtd_speedtest_init(void)
err = read_eraseblock_by_2pages(i);
if (err)
goto out;
- cond_resched();
+
+ err = mtdtest_relax();
+ if (err)
+ goto out;
}
stop_timing();
speed = calc_speed();
@@ -385,7 +403,11 @@ static int __init mtd_speedtest_init(void)
err = multiblock_erase(i, j);
if (err)
goto out;
- cond_resched();
+
+ err = mtdtest_relax();
+ if (err)
+ goto out;
+
i += j;
}
stop_timing();
diff --git a/drivers/mtd/tests/stresstest.c b/drivers/mtd/tests/stresstest.c
index c9d42cc2df1b..e509f8aa9a7e 100644
--- a/drivers/mtd/tests/stresstest.c
+++ b/drivers/mtd/tests/stresstest.c
@@ -96,7 +96,7 @@ static int do_read(void)
if (offs + len > mtd->erasesize)
len = mtd->erasesize - offs;
}
- addr = eb * mtd->erasesize + offs;
+ addr = (loff_t)eb * mtd->erasesize + offs;
return mtdtest_read(mtd, addr, len, readbuf);
}
@@ -124,7 +124,7 @@ static int do_write(void)
offsets[eb + 1] = 0;
}
}
- addr = eb * mtd->erasesize + offs;
+ addr = (loff_t)eb * mtd->erasesize + offs;
err = mtdtest_write(mtd, addr, len, writebuf);
if (unlikely(err))
return err;
@@ -221,7 +221,10 @@ static int __init mtd_stresstest_init(void)
err = do_operation();
if (err)
goto out;
- cond_resched();
+
+ err = mtdtest_relax();
+ if (err)
+ goto out;
}
pr_info("finished, %d operations done\n", op);
diff --git a/drivers/mtd/tests/subpagetest.c b/drivers/mtd/tests/subpagetest.c
index 7b59ef522d5e..aecc6ce5a9e1 100644
--- a/drivers/mtd/tests/subpagetest.c
+++ b/drivers/mtd/tests/subpagetest.c
@@ -95,7 +95,7 @@ static int write_eraseblock2(int ebnum)
loff_t addr = (loff_t)ebnum * mtd->erasesize;
for (k = 1; k < 33; ++k) {
- if (addr + (subpgsize * k) > (ebnum + 1) * mtd->erasesize)
+ if (addr + (subpgsize * k) > (loff_t)(ebnum + 1) * mtd->erasesize)
break;
prandom_bytes_state(&rnd_state, writebuf, subpgsize * k);
err = mtd_write(mtd, addr, subpgsize * k, &written, writebuf);
@@ -195,7 +195,7 @@ static int verify_eraseblock2(int ebnum)
loff_t addr = (loff_t)ebnum * mtd->erasesize;
for (k = 1; k < 33; ++k) {
- if (addr + (subpgsize * k) > (ebnum + 1) * mtd->erasesize)
+ if (addr + (subpgsize * k) > (loff_t)(ebnum + 1) * mtd->erasesize)
break;
prandom_bytes_state(&rnd_state, writebuf, subpgsize * k);
clear_data(readbuf, subpgsize * k);
@@ -269,7 +269,10 @@ static int verify_all_eraseblocks_ff(void)
return err;
if (i % 256 == 0)
pr_info("verified up to eraseblock %u\n", i);
- cond_resched();
+
+ err = mtdtest_relax();
+ if (err)
+ return err;
}
pr_info("verified %u eraseblocks\n", i);
return 0;
@@ -346,7 +349,10 @@ static int __init mtd_subpagetest_init(void)
goto out;
if (i % 256 == 0)
pr_info("written up to eraseblock %u\n", i);
- cond_resched();
+
+ err = mtdtest_relax();
+ if (err)
+ goto out;
}
pr_info("written %u eraseblocks\n", i);
@@ -360,7 +366,10 @@ static int __init mtd_subpagetest_init(void)
goto out;
if (i % 256 == 0)
pr_info("verified up to eraseblock %u\n", i);
- cond_resched();
+
+ err = mtdtest_relax();
+ if (err)
+ goto out;
}
pr_info("verified %u eraseblocks\n", i);
@@ -383,7 +392,10 @@ static int __init mtd_subpagetest_init(void)
goto out;
if (i % 256 == 0)
pr_info("written up to eraseblock %u\n", i);
- cond_resched();
+
+ err = mtdtest_relax();
+ if (err)
+ goto out;
}
pr_info("written %u eraseblocks\n", i);
@@ -398,7 +410,10 @@ static int __init mtd_subpagetest_init(void)
goto out;
if (i % 256 == 0)
pr_info("verified up to eraseblock %u\n", i);
- cond_resched();
+
+ err = mtdtest_relax();
+ if (err)
+ goto out;
}
pr_info("verified %u eraseblocks\n", i);
diff --git a/drivers/mtd/tests/torturetest.c b/drivers/mtd/tests/torturetest.c
index b55bc52a1340..e5d6e6d9532f 100644
--- a/drivers/mtd/tests/torturetest.c
+++ b/drivers/mtd/tests/torturetest.c
@@ -101,11 +101,11 @@ static inline int check_eraseblock(int ebnum, unsigned char *buf)
{
int err, retries = 0;
size_t read;
- loff_t addr = ebnum * mtd->erasesize;
+ loff_t addr = (loff_t)ebnum * mtd->erasesize;
size_t len = mtd->erasesize;
if (pgcnt) {
- addr = (ebnum + 1) * mtd->erasesize - pgcnt * pgsize;
+ addr = (loff_t)(ebnum + 1) * mtd->erasesize - pgcnt * pgsize;
len = pgcnt * pgsize;
}
@@ -155,11 +155,11 @@ static inline int write_pattern(int ebnum, void *buf)
{
int err;
size_t written;
- loff_t addr = ebnum * mtd->erasesize;
+ loff_t addr = (loff_t)ebnum * mtd->erasesize;
size_t len = mtd->erasesize;
if (pgcnt) {
- addr = (ebnum + 1) * mtd->erasesize - pgcnt * pgsize;
+ addr = (loff_t)(ebnum + 1) * mtd->erasesize - pgcnt * pgsize;
len = pgcnt * pgsize;
}
err = mtd_write(mtd, addr, len, &written, buf);
@@ -279,7 +279,10 @@ static int __init tort_init(void)
" for 0xFF... pattern\n");
goto out;
}
- cond_resched();
+
+ err = mtdtest_relax();
+ if (err)
+ goto out;
}
}
@@ -294,7 +297,10 @@ static int __init tort_init(void)
err = write_pattern(i, patt);
if (err)
goto out;
- cond_resched();
+
+ err = mtdtest_relax();
+ if (err)
+ goto out;
}
/* Verify what we wrote */
@@ -314,7 +320,10 @@ static int __init tort_init(void)
"0x55AA55..." : "0xAA55AA...");
goto out;
}
- cond_resched();
+
+ err = mtdtest_relax();
+ if (err)
+ goto out;
}
}
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