[PATCH AUTOSEL 5.15 021/188] media: atomisp: handle errors at sh_css_create_isp_params()

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From: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>

[ Upstream commit 58043dbf6d1ae9deab4f5aa1e039c70112017682 ]

The succ var tracks memory allocation erros on this function.

Fix it, in order to stop this W=1 Werror in clang:

drivers/staging/media/atomisp/pci/sh_css_params.c:2430:7: error: variable 'succ' set but not used [-Werror,-Wunused-but-set-variable]
        bool succ = true;
             ^

Reviewed-by: Nathan Chancellor <nathan@xxxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/staging/media/atomisp/pci/sh_css_params.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/media/atomisp/pci/sh_css_params.c b/drivers/staging/media/atomisp/pci/sh_css_params.c
index dbd3bfe3d343c..ccc0078795648 100644
--- a/drivers/staging/media/atomisp/pci/sh_css_params.c
+++ b/drivers/staging/media/atomisp/pci/sh_css_params.c
@@ -2431,7 +2431,7 @@ sh_css_create_isp_params(struct ia_css_stream *stream,
 	unsigned int i;
 	struct sh_css_ddr_address_map *ddr_ptrs;
 	struct sh_css_ddr_address_map_size *ddr_ptrs_size;
-	int err = 0;
+	int err;
 	size_t params_size;
 	struct ia_css_isp_parameters *params =
 	kvmalloc(sizeof(struct ia_css_isp_parameters), GFP_KERNEL);
@@ -2473,7 +2473,11 @@ sh_css_create_isp_params(struct ia_css_stream *stream,
 	succ &= (ddr_ptrs->macc_tbl != mmgr_NULL);
 
 	*isp_params_out = params;
-	return err;
+
+	if (!succ)
+		return -ENOMEM;
+
+	return 0;
 }
 
 static bool
-- 
2.34.1




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