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dm: reject trailing characters in sccanf input
[deliverable/linux.git]
/
drivers
/
md
/
dm-stripe.c
diff --git
a/drivers/md/dm-stripe.c
b/drivers/md/dm-stripe.c
index 3d80cf0c152d1b4fedd46a0b67773842218a326c..35c94ff24ad5867917ed715a8ce387fbb8d3b150 100644
(file)
--- a/
drivers/md/dm-stripe.c
+++ b/
drivers/md/dm-stripe.c
@@
-75,8
+75,9
@@
static int get_stripe(struct dm_target *ti, struct stripe_c *sc,
unsigned int stripe, char **argv)
{
unsigned long long start;
unsigned int stripe, char **argv)
{
unsigned long long start;
+ char dummy;
- if (sscanf(argv[1], "%llu
", &start
) != 1)
+ if (sscanf(argv[1], "%llu
%c", &start, &dummy
) != 1)
return -EINVAL;
if (dm_get_device(ti, argv[0], dm_table_get_mode(ti->table),
return -EINVAL;
if (dm_get_device(ti, argv[0], dm_table_get_mode(ti->table),
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