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authorMark Brown <broonie@kernel.org>2019-01-29 12:04:54 +0000
committerMark Brown <broonie@kernel.org>2019-01-29 12:04:54 +0000
commitd7c26e63cf78fef01d66ae848184c6ee5f4b8bbf (patch)
tree3765745a38a7ae1a4a3a056dfc6c736e4c99271d /drivers/i2c/i2c-dev.c
parenta8233b6c1972e1959cf84a021aeb61ddcd23cc26 (diff)
parentf17b5f06cb92ef2250513a1e154c47b78df07d40 (diff)
Merge tag 'v5.0-rc4' into asoc-5.1
Linux 5.0-rc4
Diffstat (limited to 'drivers/i2c/i2c-dev.c')
-rw-r--r--drivers/i2c/i2c-dev.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c
index 1aca742fde4a..ccd76c71af09 100644
--- a/drivers/i2c/i2c-dev.c
+++ b/drivers/i2c/i2c-dev.c
@@ -470,9 +470,15 @@ static long i2cdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
data_arg.data);
}
case I2C_RETRIES:
+ if (arg > INT_MAX)
+ return -EINVAL;
+
client->adapter->retries = arg;
break;
case I2C_TIMEOUT:
+ if (arg > INT_MAX)
+ return -EINVAL;
+
/* For historical reasons, user-space sets the timeout
* value in units of 10 ms.
*/