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ipmi: bail out if init_srcu_struct fails

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commit 2b5160b120 upstream.

In case, init_srcu_struct fails (because of memory allocation failure), we
might proceed with the driver initialization despite srcu_struct not being
entirely initialized.

Fixes: 913a89f009 ("ipmi: Don't initialize anything in the core until something uses it")
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Cc: Corey Minyard <cminyard@mvista.com>
Cc: stable@vger.kernel.org
Message-Id: <20211217154410.1228673-1-cascardo@canonical.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Thadeu Lima de Souza Cascardo
2021-12-17 12:44:09 -03:00
committed by Greg Kroah-Hartman
parent bc674f1b21
commit a5192f3116
1 changed files with 3 additions and 1 deletions
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4
drivers/char/ipmi/ipmi_msghandler.c
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@@ -5161,7 +5161,9 @@ static int ipmi_init_msghandler(void)
if (initialized)
goto out;
init_srcu_struct(&ipmi_interfaces_srcu);
rv = init_srcu_struct(&ipmi_interfaces_srcu);
if (rv)
goto out;
timer_setup(&ipmi_timer, ipmi_timeout, 0);
mod_timer(&ipmi_timer, jiffies + IPMI_TIMEOUT_JIFFIES);