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Bluetooth: Fix not checking for valid hdev on bt_dev_{info,warn,err,dbg}

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[ Upstream commit 9b392e0e0b ]

This fixes attemting to print hdev->name directly which causes them to
print an error:

kernel: read_version:367: (efault): sock 000000006a3008f2

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Luiz Augusto von Dentz 2022-03-03 13:11:57 -08:00 • committed by Greg Kroah-Hartman
commit f9b183f133
1 changed files with 8 additions and 6 deletions
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14
include/net/bluetooth/bluetooth.h
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@ -180,19 +180,21 @@ void bt_err_ratelimited(const char *fmt, ...);
#define BT_DBG(fmt, ...) pr_debug(fmt "\n", ##__VA_ARGS__)
#endif
#define bt_dev_name(hdev) ((hdev) ? (hdev)->name : "null")
#define bt_dev_info(hdev, fmt, ...) \
BT_INFO("%s: " fmt, (hdev)->name, ##__VA_ARGS__)
BT_INFO("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
#define bt_dev_warn(hdev, fmt, ...) \
BT_WARN("%s: " fmt, (hdev)->name, ##__VA_ARGS__)
BT_WARN("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
#define bt_dev_err(hdev, fmt, ...) \
BT_ERR("%s: " fmt, (hdev)->name, ##__VA_ARGS__)
BT_ERR("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
#define bt_dev_dbg(hdev, fmt, ...) \
BT_DBG("%s: " fmt, (hdev)->name, ##__VA_ARGS__)
BT_DBG("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
#define bt_dev_warn_ratelimited(hdev, fmt, ...) \
bt_warn_ratelimited("%s: " fmt, (hdev)->name, ##__VA_ARGS__)
bt_warn_ratelimited("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
#define bt_dev_err_ratelimited(hdev, fmt, ...) \
bt_err_ratelimited("%s: " fmt, (hdev)->name, ##__VA_ARGS__)
bt_err_ratelimited("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__)
/* Connection and socket states */
enum {