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soc: fsl: qe: make cpm_muram_free() ignore a negative offset 

This allows one to simplify callers since they can store a negative
value as a sentinel to indicate "this was never allocated" (or store
the -ENOMEM from an allocation failure) and then call cpm_muram_free()
unconditionally.

Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
This commit is contained in:
Rasmus Villemoes 2019-11-28 15:55:42 +01:00 committed by Li Yang
parent 754f40e097
commit 900470ce39
1 changed files with 3 additions and 0 deletions
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3
drivers/soc/fsl/qe/qe_common.c
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@ -176,6 +176,9 @@ void cpm_muram_free(s32 offset)
int size;
struct muram_block *tmp;
if (offset < 0)
return;
size = 0;
spin_lock_irqsave(&cpm_muram_lock, flags);
list_for_each_entry(tmp, &muram_block_list, head) {