diff options
| author | Rasmus Villemoes | 2019-11-28 15:55:42 +0100 |
|---|---|---|
| committer | Li Yang | 2019-12-09 13:54:36 -0600 |
| commit | 900470ce39996336a1d06da2015506106bb8ba42 (patch) | |
| tree | 64fed661418520f06bb8bf5327cac212e37c6227 /drivers/soc/fsl/qe | |
| parent | 754f40e0977cd20c37ef4837ec2904ccd89125ce (diff) | |
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>
Diffstat (limited to 'drivers/soc/fsl/qe')
| -rw-r--r-- | drivers/soc/fsl/qe/qe_common.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/soc/fsl/qe/qe_common.c b/drivers/soc/fsl/qe/qe_common.c index 962835488f66..48c77bb92846 100644 --- a/drivers/soc/fsl/qe/qe_common.c +++ b/drivers/soc/fsl/qe/qe_common.c @@ -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) { |