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authorIngo Molnar <mingo@kernel.org>2016-03-08 16:25:45 +0300
committerIngo Molnar <mingo@kernel.org>2016-03-08 16:25:45 +0300
commit14ddde78c787248ada9da2f2d04900548ffcf342 (patch)
tree9ba43a7a6ce68ee3aeff714c3056ebfd934f2cfd /drivers/usb/chipidea/debug.c
parent58122bf1d856a4ea9581d62a07c557d997d46a19 (diff)
parente2857b8f11a289ed2b61d18d0665e05c1053c446 (diff)
downloadlinux-14ddde78c787248ada9da2f2d04900548ffcf342.tar.xz
Merge branch 'linus' into x86/fpu, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/usb/chipidea/debug.c')
-rw-r--r--drivers/usb/chipidea/debug.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/debug.c b/drivers/usb/chipidea/debug.c
index a4f7db2e18dd..df47110bad2d 100644
--- a/drivers/usb/chipidea/debug.c
+++ b/drivers/usb/chipidea/debug.c
@@ -100,6 +100,9 @@ static ssize_t ci_port_test_write(struct file *file, const char __user *ubuf,
if (sscanf(buf, "%u", &mode) != 1)
return -EINVAL;
+ if (mode > 255)
+ return -EBADRQC;
+
pm_runtime_get_sync(ci->dev);
spin_lock_irqsave(&ci->lock, flags);
ret = hw_port_test_set(ci, mode);