Commit e01b08d7 authored by Fabio M. De Francesco's avatar Fabio M. De Francesco Committed by Greg Kroah-Hartman
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misc/xilinx_sdfec: Call kunmap() on pages mapped with kmap() 



Pages in an array are mapped in a loop but, after the code is done with
the virtual addresses, these pages are never unmapped.

Therefore, call kunmap() to unmap pages[i].

Cc: "Venkataramanan, Anirudh" <anirudh.venkataramanan@intel.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: default avatarFabio M. De Francesco <fmdefrancesco@gmail.com>
Link: https://lore.kernel.org/r/20220901154408.23984-2-fmdefrancesco@gmail.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent dd8dc442

drivers/misc/xilinx_sdfec.c

+1 −0
Original line number Diff line number Diff line
@@ -645,6 +645,7 @@ static int xsdfec_table_write(struct xsdfec_dev *xsdfec, u32 offset, 
			reg++;

		} while ((reg < len) &&

			 ((reg * XSDFEC_REG_WIDTH_JUMP) % PAGE_SIZE));

		kunmap(pages[i]);

		unpin_user_page(pages[i]);

	}

	return 0;