[PATCH 6.6 555/676] um: Fix the return value of elf_core_copy_task_fpregs

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6.6-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Tiwei Bie <tiwei.btw@xxxxxxxxxxxx>

[ Upstream commit 865e3845eeaa21e9a62abc1361644e67124f1ec0 ]

This function is expected to return a boolean value, which should be
true on success and false on failure.

Fixes: d1254b12c93e ("uml: fix x86_64 core dump crash")
Signed-off-by: Tiwei Bie <tiwei.btw@xxxxxxxxxxxx>
Link: https://patch.msgid.link/20240913023302.130300-1-tiwei.btw@xxxxxxxxxxxx
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 arch/um/kernel/process.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c
index 6daffb9d8a8d7..afe67d8161467 100644
--- a/arch/um/kernel/process.c
+++ b/arch/um/kernel/process.c
@@ -397,6 +397,6 @@ int elf_core_copy_task_fpregs(struct task_struct *t, elf_fpregset_t *fpu)
 {
 	int cpu = current_thread_info()->cpu;
 
-	return save_i387_registers(userspace_pid[cpu], (unsigned long *) fpu);
+	return save_i387_registers(userspace_pid[cpu], (unsigned long *) fpu) == 0;
 }
 
-- 
2.43.0







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