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| author | Roel Kluin <roel.kluin@gmail.com> | 2009-07-31 16:21:01 +0200 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2009-09-04 10:40:17 +0200 |
| commit | c6f7e7beb9e6a64816f534a3a0dd0cfa4937f1fe (patch) | |
| tree | c0fed3deeb9862dffac83ac45814e70341317c2e /drivers/mtd/tests | |
| parent | slram: Read buffer overflow (diff) | |
| download | linux-c6f7e7beb9e6a64816f534a3a0dd0cfa4937f1fe.tar.xz linux-c6f7e7beb9e6a64816f534a3a0dd0cfa4937f1fe.zip | |
mtd: tests: fix read buffer overflows
Check whether index is within bounds before testing the element.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd/tests')
| -rw-r--r-- | drivers/mtd/tests/mtd_oobtest.c | 2 | ||||
| -rw-r--r-- | drivers/mtd/tests/mtd_pagetest.c | 12 |
2 files changed, 7 insertions, 7 deletions
diff --git a/drivers/mtd/tests/mtd_oobtest.c b/drivers/mtd/tests/mtd_oobtest.c index a18e8d2f2557..5553cd4eab20 100644 --- a/drivers/mtd/tests/mtd_oobtest.c +++ b/drivers/mtd/tests/mtd_oobtest.c @@ -512,7 +512,7 @@ static int __init mtd_oobtest_init(void) goto out; addr0 = 0; - for (i = 0; bbt[i] && i < ebcnt; ++i) + for (i = 0; i < ebcnt && bbt[i]; ++i) addr0 += mtd->erasesize; /* Attempt to write off end of OOB */ diff --git a/drivers/mtd/tests/mtd_pagetest.c b/drivers/mtd/tests/mtd_pagetest.c index 9648818b9e2c..103cac480fee 100644 --- a/drivers/mtd/tests/mtd_pagetest.c +++ b/drivers/mtd/tests/mtd_pagetest.c @@ -116,11 +116,11 @@ static int verify_eraseblock(int ebnum) loff_t addr = ebnum * mtd->erasesize; addr0 = 0; - for (i = 0; bbt[i] && i < ebcnt; ++i) + for (i = 0; i < ebcnt && bbt[i]; ++i) addr0 += mtd->erasesize; addrn = mtd->size; - for (i = 0; bbt[ebcnt - i - 1] && i < ebcnt; ++i) + for (i = 0; i < ebcnt && bbt[ebcnt - i - 1]; ++i) addrn -= mtd->erasesize; set_random_data(writebuf, mtd->erasesize); @@ -219,11 +219,11 @@ static int crosstest(void) memset(pp1, 0, pgsize * 4); addr0 = 0; - for (i = 0; bbt[i] && i < ebcnt; ++i) + for (i = 0; i < ebcnt && bbt[i]; ++i) addr0 += mtd->erasesize; addrn = mtd->size; - for (i = 0; bbt[ebcnt - i - 1] && i < ebcnt; ++i) + for (i = 0; i < ebcnt && bbt[ebcnt - i - 1]; ++i) addrn -= mtd->erasesize; /* Read 2nd-to-last page to pp1 */ @@ -317,7 +317,7 @@ static int erasecrosstest(void) ebnum = 0; addr0 = 0; - for (i = 0; bbt[i] && i < ebcnt; ++i) { + for (i = 0; i < ebcnt && bbt[i]; ++i) { addr0 += mtd->erasesize; ebnum += 1; } @@ -413,7 +413,7 @@ static int erasetest(void) ebnum = 0; addr0 = 0; - for (i = 0; bbt[i] && i < ebcnt; ++i) { + for (i = 0; i < ebcnt && bbt[i]; ++i) { addr0 += mtd->erasesize; ebnum += 1; } |