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author | Wang Ming <machel@vivo.com> | 2023-07-27 14:37:50 -0500 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-09-06 21:27:02 +0100 |
commit | b5c7bc370e03dcef02cc0263aae7460b4af0827d (patch) | |
tree | 406d5bd464796c39958faa03a976c7c89fea53e1 | |
parent | b7366429626e4bd83222878f7be0900f8b16c3e2 (diff) | |
download | linux-b5c7bc370e03dcef02cc0263aae7460b4af0827d.tar.gz |
firmware: stratix10-svc: Fix an NULL vs IS_ERR() bug in probe
commit dd218433f2b635d97e8fda3eed047151fd528ce4 upstream. The devm_memremap() function returns error pointers. It never returns NULL. Fix the check. Fixes: 7ca5ce896524 ("firmware: add Intel Stratix10 service layer driver") Cc: stable@vger.kernel.org Signed-off-by: Wang Ming <machel@vivo.com> Signed-off-by: Dinh Nguyen <dinguyen@kernel.org> Link: https://lore.kernel.org/r/20230727193750.983795-1-dinguyen@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | drivers/firmware/stratix10-svc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/firmware/stratix10-svc.c b/drivers/firmware/stratix10-svc.c index 2d674126160f..cab11af28c23 100644 --- a/drivers/firmware/stratix10-svc.c +++ b/drivers/firmware/stratix10-svc.c @@ -756,7 +756,7 @@ svc_create_memory_pool(struct platform_device *pdev, paddr = begin; size = end - begin; va = devm_memremap(dev, paddr, size, MEMREMAP_WC); - if (!va) { + if (IS_ERR(va)) { dev_err(dev, "fail to remap shared memory\n"); return ERR_PTR(-EINVAL); } |