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sparc64: vcc: Check for IS_ERR() instead of NULL
The tty_alloc_driver() function never returns NULL, it returns error
pointers on error.
Fixes: ce808b7463
("sparc64: vcc: TTY driver initialization and cleanup")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
cc324d1a3e
commit
c6b4ee9eba
1 changed files with 2 additions and 2 deletions
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@ -1086,9 +1086,9 @@ static int vcc_tty_init(void)
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pr_info("VCC: %s\n", version);
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pr_info("VCC: %s\n", version);
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vcc_tty_driver = tty_alloc_driver(VCC_MAX_PORTS, VCC_TTY_FLAGS);
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vcc_tty_driver = tty_alloc_driver(VCC_MAX_PORTS, VCC_TTY_FLAGS);
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if (!vcc_tty_driver) {
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if (IS_ERR(vcc_tty_driver)) {
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pr_err("VCC: TTY driver alloc failed\n");
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pr_err("VCC: TTY driver alloc failed\n");
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return -ENOMEM;
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return PTR_ERR(vcc_tty_driver);
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}
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}
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vcc_tty_driver->driver_name = vcc_driver_name;
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vcc_tty_driver->driver_name = vcc_driver_name;
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