cpm_muram_alloc_common is called twice and both the times
spin_lock_irqsave is held.
Using GFP_KERNEL can sleep in spin_lock_irqsave context and cause
deadlock
Signed-off-by: Saurabh Sengar <saurabh.tr...@gmail.com>
---
Let me know if there is any other way to fix it.
Also, I would say this function should be static as it is not used in any other
file
drivers/soc/fsl/qe/qe_common.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/soc/fsl/qe/qe_common.c b/drivers/soc/fsl/qe/qe_common.c
index 419fa5b..d774e54 100644
--- a/drivers/soc/fsl/qe/qe_common.c
+++ b/drivers/soc/fsl/qe/qe_common.c
@@ -194,7 +194,7 @@ unsigned long cpm_muram_alloc_common(unsigned long size,
genpool_algo_t algo,
goto out2;
start = start - GENPOOL_OFFSET;
memset_io(cpm_muram_addr(start), 0, size);
- entry = kmalloc(sizeof(*entry), GFP_KERNEL);
+ entry = kmalloc(sizeof(*entry), GFP_ATOMIC);
if (!entry)
goto out1;
entry->start = start;
--
1.9.1
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