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authorKrzysztof Wilczyński <kw@linux.com>2021-06-03 03:01:07 +0300
committerBjorn Helgaas <bhelgaas@google.com>2021-06-04 06:14:47 +0300
commitf8cf6e513ec4f0e207f56c27d5030da429ac2cae (patch)
tree592376a232b5d001e9a1858d8ce3125f644dd35e /drivers/dio
parent316ae33051215f92c72fe13bc1bfc4e513a26700 (diff)
downloadlinux-f8cf6e513ec4f0e207f56c27d5030da429ac2cae.tar.xz
PCI/sysfs: Use sysfs_emit() and sysfs_emit_at() in "show" functions
The sysfs_emit() and sysfs_emit_at() functions were introduced to make it less ambiguous which function is preferred when writing to the output buffer in a device attribute's "show" callback [1]. Convert the PCI sysfs object "show" functions from sprintf(), snprintf() and scnprintf() to sysfs_emit() and sysfs_emit_at() accordingly, as the latter is aware of the PAGE_SIZE buffer and correctly returns the number of bytes written into the buffer. No functional change intended. [1] Documentation/filesystems/sysfs.rst Related commit: ad025f8e46f3 ("PCI/sysfs: Use sysfs_emit() and sysfs_emit_at() in "show" functions"). Link: https://lore.kernel.org/r/20210603000112.703037-2-kw@linux.com Signed-off-by: Krzysztof Wilczyński <kw@linux.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
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