Commit 95f1a128 authored by Wang Yufen's avatar Wang Yufen Committed by Michael Ellerman
Browse files

powerpc/pseries: fix potential memory leak in init_cpu_associativity() 



If the vcpu_associativity alloc memory successfully but the
pcpu_associativity fails to alloc memory, the vcpu_associativity
memory leaks.

Fixes: d62c8dee ("powerpc/pseries: Provide vcpu dispatch statistics")
Signed-off-by: default avatarWang Yufen <wangyufen@huawei.com>
Reviewed-by: default avatar"Naveen N. Rao" <naveen.n.rao@linux.vnet.ibm.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/1671003983-10794-1-git-send-email-wangyufen@huawei.com
parent 007240d5

arch/powerpc/platforms/pseries/lpar.c

+3 −1
Original line number Diff line number Diff line
@@ -526,8 +526,10 @@ static ssize_t vcpudispatch_stats_write(struct file *file, const char __user *p, 


	if (cmd) {

		rc = init_cpu_associativity();

		if (rc)

		if (rc) {

			destroy_cpu_associativity();

			goto out;

		}



		for_each_possible_cpu(cpu) {

			disp = per_cpu_ptr(&vcpu_disp_data, cpu);