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| author | Dafna Hirschfeld <dhirschfeld@habana.ai> | 2022-08-15 10:40:55 +0200 |
|---|---|---|
| committer | Oded Gabbay <ogabbay@kernel.org> | 2022-09-18 12:29:52 +0200 |
| commit | 46e49f434fcaafe3c62232aaa0358f03b462141d (patch) | |
| tree | 3e85739cdf33693d1ece2b33e241a30a50656934 /drivers/misc/habanalabs | |
| parent | habanalabs: select FW_LOADER in Kconfig (diff) | |
| download | linux-46e49f434fcaafe3c62232aaa0358f03b462141d.tar.xz linux-46e49f434fcaafe3c62232aaa0358f03b462141d.zip | |
habanalabs: if map page fails don't try to unmap it
The original code tried to unmap a page that was not mapped as part of
the map page error path.
Signed-off-by: Dafna Hirschfeld <dhirschfeld@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/misc/habanalabs')
| -rw-r--r-- | drivers/misc/habanalabs/common/mmu/mmu.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/common/mmu/mmu.c b/drivers/misc/habanalabs/common/mmu/mmu.c index 60740de47b34..4153aec55594 100644 --- a/drivers/misc/habanalabs/common/mmu/mmu.c +++ b/drivers/misc/habanalabs/common/mmu/mmu.c @@ -403,6 +403,8 @@ int hl_mmu_map_contiguous(struct hl_ctx *ctx, u64 virt_addr, dev_err(hdev->dev, "Map failed for va 0x%llx to pa 0x%llx\n", curr_va, curr_pa); + /* last mapping failed so don't try to unmap it - reduce off by page_size */ + off -= page_size; goto unmap; } } |