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char: hvc: check for error case

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hvc_alloc() may fail, if so exit from init() with error.

Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
This commit is contained in:
Vasiliy Kulikov 2010-09-12 22:57:14 +04:00 committed by Chris Metcalf
parent 77d233036e
commit 6496a5c9e7
1 changed files with 3 additions and 2 deletions
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5
drivers/char/hvc_tile.c
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@ -61,7 +61,8 @@ console_initcall(hvc_tile_console_init);
static int __init hvc_tile_init(void)
{
hvc_alloc(0, 0, &hvc_tile_get_put_ops, 128);
return 0;
struct hvc_struct *s;
s = hvc_alloc(0, 0, &hvc_tile_get_put_ops, 128);
return IS_ERR(s) ? PTR_ERR(s) : 0;
}
device_initcall(hvc_tile_init);