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authorWang Ming <machel@vivo.com>2023-07-27 21:37:50 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-07-30 18:15:27 +0200
commitdd218433f2b635d97e8fda3eed047151fd528ce4 (patch)
treeee44e66a9495b602c1df9ac01b7cf7af152ea38e /drivers/firmware
parentmei: obtain firmware version only on gsc. (diff)
downloadlinux-dd218433f2b635d97e8fda3eed047151fd528ce4.tar.xz
linux-dd218433f2b635d97e8fda3eed047151fd528ce4.zip
firmware: stratix10-svc: Fix an NULL vs IS_ERR() bug in probe
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>
Diffstat (limited to 'drivers/firmware')
-rw-r--r--drivers/firmware/stratix10-svc.c2
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);
}