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tty: rpmsg: Assign returned id to a local variable

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Instead of putting garbage in the data structure, assign allocated id
or an error code to a temporary variable. This makes code cleaner.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20211025135148.53944-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2021-10-25 16:51:44 +03:00 committed by Greg Kroah-Hartman
parent 6333a48506
commit 0572da285d
1 changed files with 4 additions and 3 deletions
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7
drivers/tty/rpmsg_tty.c
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@ -121,15 +121,16 @@ static struct rpmsg_tty_port *rpmsg_tty_alloc_cport(void)
return ERR_PTR(-ENOMEM);
mutex_lock(&idr_lock);
cport->id = idr_alloc(&tty_idr, cport, 0, MAX_TTY_RPMSG, GFP_KERNEL);
err = idr_alloc(&tty_idr, cport, 0, MAX_TTY_RPMSG, GFP_KERNEL);
mutex_unlock(&idr_lock);
if (cport->id < 0) {
err = cport->id;
if (err < 0) {
kfree(cport);
return ERR_PTR(err);
}
cport->id = err;
return cport;
}