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path: root/drivers/input/mouse/cyapa.c
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Diffstat (limited to 'drivers/input/mouse/cyapa.c')
-rw-r--r--drivers/input/mouse/cyapa.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/input/mouse/cyapa.c b/drivers/input/mouse/cyapa.c
index 2f2d925a55d7..00c87c0532a6 100644
--- a/drivers/input/mouse/cyapa.c
+++ b/drivers/input/mouse/cyapa.c
@@ -1080,8 +1080,8 @@ static ssize_t cyapa_update_fw_store(struct device *dev,
char fw_name[NAME_MAX];
int ret, error;
- if (count >= NAME_MAX) {
- dev_err(dev, "File name too long\n");
+ if (!count || count >= NAME_MAX) {
+ dev_err(dev, "Bad file name size\n");
return -EINVAL;
}