diff options
| author | Michael Ellerman <mpe@ellerman.id.au> | 2024-09-20 19:35:20 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2024-10-16 09:26:50 +1100 |
| commit | cf8989d20d64ad702a6210c11a0347ebf3852aa7 (patch) | |
| tree | 4c7c4351f7d1ac4d018b61d18ef188748cd51ba6 /arch | |
| parent | 8956c582ac6b1693a351230179f898979dd00bdf (diff) | |
powerpc/powernv: Free name on error in opal_event_init()
In opal_event_init() if request_irq() fails name is not freed, leading
to a memory leak. The code only runs at boot time, there's no way for a
user to trigger it, so there's no security impact.
Fix the leak by freeing name in the error path.
Reported-by: 2639161967 <2639161967@qq.com>
Closes: https://lore.kernel.org/linuxppc-dev/87wmjp3wig.fsf@mail.lhotse
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://patch.msgid.link/20240920093520.67997-1-mpe@ellerman.id.au
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/platforms/powernv/opal-irqchip.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/powernv/opal-irqchip.c b/arch/powerpc/platforms/powernv/opal-irqchip.c index 56a1f7ce78d2..d92759c21fae 100644 --- a/arch/powerpc/platforms/powernv/opal-irqchip.c +++ b/arch/powerpc/platforms/powernv/opal-irqchip.c @@ -282,6 +282,7 @@ int __init opal_event_init(void) name, NULL); if (rc) { pr_warn("Error %d requesting OPAL irq %d\n", rc, (int)r->start); + kfree(name); continue; } } |