It's better to use strict_strtol() to convert user's input and strictly check
it. At least it forbids to interpret wrong input as a 0 and prevents to run all
tests.

Signed-off-by: Andy Shevchenko <ext-andriy.shevche...@nokia.com>
---
 drivers/mmc/card/mmc_test.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/card/mmc_test.c b/drivers/mmc/card/mmc_test.c
index cd8edf4..6bffb33 100644
--- a/drivers/mmc/card/mmc_test.c
+++ b/drivers/mmc/card/mmc_test.c
@@ -1937,9 +1937,10 @@ static ssize_t mmc_test_store(struct device *dev,
 {
        struct mmc_card *card = mmc_dev_to_card(dev);
        struct mmc_test_card *test;
-       int testcase;
+       long testcase;
 
-       testcase = simple_strtol(buf, NULL, 10);
+       if (strict_strtol(buf, 10, &testcase))
+               return -EINVAL;
 
        test = kzalloc(sizeof(struct mmc_test_card), GFP_KERNEL);
        if (!test)
-- 
1.6.3.3

--
To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to