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habanalabs: use dev_dbg() when hl_mmap_mem_buf_get() fails 

As hl_mmap_mem_buf_get() is called also from IOCTLs which can have a
bad handle from user, modify the print for "no match to handle" to use
dev_dbg().
Calls to this function which are not dependent on user, already have an
error print when the function fails.

Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
This commit is contained in:
Tomer Tayar 2022-11-24 11:12:38 +02:00 committed by Oded Gabbay
parent 6003cb46e6
commit 39d15301f4
1 changed files with 1 additions and 2 deletions
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3
drivers/misc/habanalabs/common/memory_mgr.c
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@ -25,8 +25,7 @@ struct hl_mmap_mem_buf *hl_mmap_mem_buf_get(struct hl_mem_mgr *mmg, u64 handle)
buf = idr_find(&mmg->handles, lower_32_bits(handle >> PAGE_SHIFT));
if (!buf) {
spin_unlock(&mmg->lock);
dev_warn(mmg->dev,
"Buff get failed, no match to handle %#llx\n", handle);
dev_dbg(mmg->dev, "Buff get failed, no match to handle %#llx\n", handle);
return NULL;
}
kref_get(&buf->refcount);