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Diffstat (limited to 'drivers/hid/hid-lg4ff.c')
| -rw-r--r-- | drivers/hid/hid-lg4ff.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/hid/hid-lg4ff.c b/drivers/hid/hid-lg4ff.c index ef80c592b..a85e805ca 100644 --- a/drivers/hid/hid-lg4ff.c +++ b/drivers/hid/hid-lg4ff.c @@ -878,6 +878,12 @@ static ssize_t lg4ff_alternate_modes_store(struct device *dev, struct device_att return -ENOMEM; i = strlen(lbuf); + + if (i == 0) { + kfree(lbuf); + return -EINVAL; + } + if (lbuf[i-1] == '\n') { if (i == 1) { kfree(lbuf); |