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media: dvb-core: Check for allocation failure in dvb_module_probe()

Message ID 20180328114640.GA29050@mwanda (mailing list archive)
State New, archived
Headers show

Commit Message

Dan Carpenter March 28, 2018, 11:46 a.m. UTC 
We should check if kzalloc() fails.

Fixes: 8f569c0b4e6b ("media: dvb-core: add helper functions for I2C binding")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
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Patch

diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c
index cf747d753a79..787fe06df217 100644
--- a/drivers/media/dvb-core/dvbdev.c
+++ b/drivers/media/dvb-core/dvbdev.c
@@ -953,6 +953,8 @@  struct i2c_client *dvb_module_probe(const char *module_name,
 	struct i2c_board_info *board_info;
 
 	board_info = kzalloc(sizeof(*board_info), GFP_KERNEL);
+	if (!board_info)
+		return NULL;
 
 	if (name)
 		strlcpy(board_info->type, name, I2C_NAME_SIZE);