diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2022-01-05 14:36:10 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-01-05 14:36:10 -0800 |
| commit | b9adba350a841e8233d3e4d8d3c8dede3fc88c46 (patch) | |
| tree | 2fbaa3fb25cf76d44a510e0c4f96c02622e268f9 /drivers/i2c/i2c-dev.c | |
| parent | 4e4f325a0a55907b14f579e6b1a38c53755e3de2 (diff) | |
| parent | 75acfdb6fd922598a408a0d864486aeb167c1a97 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
No conflicts.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/i2c/i2c-dev.c')
| -rw-r--r-- | drivers/i2c/i2c-dev.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c index bce0e8bb7852..cf5d049342ea 100644 --- a/drivers/i2c/i2c-dev.c +++ b/drivers/i2c/i2c-dev.c @@ -535,6 +535,9 @@ static long compat_i2cdev_ioctl(struct file *file, unsigned int cmd, unsigned lo sizeof(rdwr_arg))) return -EFAULT; + if (!rdwr_arg.msgs || rdwr_arg.nmsgs == 0) + return -EINVAL; + if (rdwr_arg.nmsgs > I2C_RDWR_IOCTL_MAX_MSGS) return -EINVAL; |