diff mbox series

[v2,09/23] parisc: unmap_uncached_pte() use pte_offset_kernel()

Message ID 358dfe21-a47f-9d3-bf21-9c454735944@google.com (mailing list archive)
State Handled Elsewhere
Headers show
Series arch: allow pte_offset_map[_lock]() to fail | expand

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conchuod/fixes_present success Fixes tag not required for -next series
conchuod/maintainers_pattern success MAINTAINERS pattern errors before the patch: 6 and now 6
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conchuod/kdoc success Errors and warnings before: 0 this patch: 0
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conchuod/build_rv32_defconfig success Build OK
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conchuod/header_inline success No static functions without inline keyword in header files
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conchuod/verify_fixes success No Fixes tag
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Commit Message

Hugh Dickins June 8, 2023, 7:20 p.m. UTC
unmap_uncached_pte() is working from pgd_offset_k(vaddr), so it should
use pte_offset_kernel() instead of pte_offset_map(), to avoid the
question of whether a pte_unmap() will be needed to balance.

Signed-off-by: Hugh Dickins <hughd@google.com>
---
 arch/parisc/kernel/pci-dma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c
index 71ed5391f29d..415f12d5bab3 100644
--- a/arch/parisc/kernel/pci-dma.c
+++ b/arch/parisc/kernel/pci-dma.c
@@ -164,7 +164,7 @@  static inline void unmap_uncached_pte(pmd_t * pmd, unsigned long vaddr,
 		pmd_clear(pmd);
 		return;
 	}
-	pte = pte_offset_map(pmd, vaddr);
+	pte = pte_offset_kernel(pmd, vaddr);
 	vaddr &= ~PMD_MASK;
 	end = vaddr + size;
 	if (end > PMD_SIZE)