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media: dvbdev: handle ENOMEM error at dvb_module_probe()

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If allocation of struct board_info fails, return NULL from
dvb_module_probe().

Fix this warning:
	drivers/media/dvb-core/dvbdev.c:958 dvb_module_probe() error: potential null dereference 'board_info'.  (kzalloc returns null)

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Mauro Carvalho Chehab 2018-03-22 09:01:11 -04:00
parent f67449fdba
commit 39adb4e739
1 changed files with 2 additions and 0 deletions
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2
drivers/media/dvb-core/dvbdev.c
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@ -953,6 +953,8 @@ struct i2c_client *dvb_module_probe(const char *module_name,
struct i2c_board_info *board_info; struct i2c_board_info *board_info;
board_info = kzalloc(sizeof(*board_info), GFP_KERNEL); board_info = kzalloc(sizeof(*board_info), GFP_KERNEL);
if (!board_info)
return NULL;
if (name) if (name)
strlcpy(board_info->type, name, I2C_NAME_SIZE); strlcpy(board_info->type, name, I2C_NAME_SIZE);