PCI: Force trailing new line to resource_alignment_param in sysfs
authorLogan Gunthorpe <logang@deltatee.com>
Thu, 22 Aug 2019 16:10:13 +0000 (10:10 -0600)
committerBjorn Helgaas <bhelgaas@google.com>
Thu, 5 Sep 2019 21:47:30 +0000 (16:47 -0500)
commite499081da1a247a8a5a234211c7127fb0b91ca92
treec9d1a45ef6093df6123020fb2b4b21dd3f9f867f
parent273b177cac4b649c3c6d448e85bbc64cebfe7a0a
PCI: Force trailing new line to resource_alignment_param in sysfs

When 'pci=resource_alignment=' is specified on the command line, there is
no trailing new line.  Then, when it's read through the corresponding sysfs
attribute, there will be no newline and a cat command will not show
correctly in a shell. If the parameter is set through sysfs a new line will
be stored and it will 'cat' correctly.

To solve this, append a new line character in the show function if one does
not already exist.

Link: https://lore.kernel.org/r/20190822161013.5481-4-logang@deltatee.com
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
drivers/pci/pci.c