Messages in this thread Patch in this message | | | From | "Fabio M. De Francesco" <> | Subject | [PATCH 1/2] misc/xilinx_sdfec: Call kunmap() on pages mapped with kmap() | Date | Thu, 1 Sep 2022 17:44:07 +0200 |
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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: Fabio M. De Francesco <fmdefrancesco@gmail.com> --- drivers/misc/xilinx_sdfec.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/misc/xilinx_sdfec.c b/drivers/misc/xilinx_sdfec.c index d6e3c650bd11..4b1d82ae7312 100644 --- a/drivers/misc/xilinx_sdfec.c +++ b/drivers/misc/xilinx_sdfec.c @@ -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; -- 2.37.2
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