This code should check the return value of seq_open(); if it failed, file->private_data is NULL. But we can avoid the issue entirely and simplify the code by letting seq_open_data() set the ->private member.
Signed-off-by: Rasmus Villemoes <li...@rasmusvillemoes.dk> --- arch/powerpc/platforms/pseries/hvCall_inst.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/arch/powerpc/platforms/pseries/hvCall_inst.c b/arch/powerpc/platforms/pseries/hvCall_inst.c index 89b7ce807e70..05990c9fe264 100644 --- a/arch/powerpc/platforms/pseries/hvCall_inst.c +++ b/arch/powerpc/platforms/pseries/hvCall_inst.c @@ -92,14 +92,7 @@ static const struct seq_operations hcall_inst_seq_ops = { static int hcall_inst_seq_open(struct inode *inode, struct file *file) { - int rc; - struct seq_file *seq; - - rc = seq_open(file, &hcall_inst_seq_ops); - seq = file->private_data; - seq->private = file_inode(file)->i_private; - - return rc; + return seq_open_data(file, &hcall_inst_seq_ops, file_inode(file)->i_private); } static const struct file_operations hcall_inst_seq_fops = { -- 2.15.1