From: Tiwei Bie Date: Fri, 13 Sep 2024 02:33:02 +0000 (+0800) Subject: um: Fix the return value of elf_core_copy_task_fpregs X-Git-Tag: v4.19.325~11 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=8ff07524ca2972db2d0e40d6fbf4ff36693155b0;p=thirdparty%2Fkernel%2Fstable.git um: Fix the return value of elf_core_copy_task_fpregs [ 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 Link: https://patch.msgid.link/20240913023302.130300-1-tiwei.btw@antgroup.com Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c index c9d09d04d19df..83ae59f748e1f 100644 --- a/arch/um/kernel/process.c +++ b/arch/um/kernel/process.c @@ -396,6 +396,6 @@ int elf_core_copy_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; }