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Subject: Re: [PATCH] fbdev: mb862xxfb: Use int type to store negative error codes To: Qianfeng Rong , Thomas Zimmermann , =?UTF-8?Q?Uwe_Kleine-K=C3=B6nig?= , linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org References: <20250830124703.73732-1-rongqianfeng@vivo.com> Content-Language: en-US From: Helge Deller Autocrypt: addr=deller@gmx.de; keydata= xsFNBF3Ia3MBEAD3nmWzMgQByYAWnb9cNqspnkb2GLVKzhoH2QD4eRpyDLA/3smlClbeKkWT HLnjgkbPFDmcmCz5V0Wv1mKYRClAHPCIBIJgyICqqUZo2qGmKstUx3pFAiztlXBANpRECgwJ r+8w6mkccOM9GhoPU0vMaD/UVJcJQzvrxVHO8EHS36aUkjKd6cOpdVbCt3qx8cEhCmaFEO6u CL+k5AZQoABbFQEBocZE1/lSYzaHkcHrjn4cQjc3CffXnUVYwlo8EYOtAHgMDC39s9a7S90L 69l6G73lYBD/Br5lnDPlG6dKfGFZZpQ1h8/x+Qz366Ojfq9MuuRJg7ZQpe6foiOtqwKym/zV dVvSdOOc5sHSpfwu5+BVAAyBd6hw4NddlAQUjHSRs3zJ9OfrEx2d3mIfXZ7+pMhZ7qX0Axlq Lq+B5cfLpzkPAgKn11tfXFxP+hcPHIts0bnDz4EEp+HraW+oRCH2m57Y9zhcJTOJaLw4YpTY GRUlF076vZ2Hz/xMEvIJddRGId7UXZgH9a32NDf+BUjWEZvFt1wFSW1r7zb7oGCwZMy2LI/G 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5dn0NC2S1SQt+MTUWX4OEdJSm6S3yvo3s3n5BC4SMjQNhmjnKL60EGcJA/L2fymXe67i63bOk Z2SqrGYWQF7BQPdGCOKNl0LSGBznRzhy44N31TdlyXpqEYIl6OxaOVAsy1x4fIlFKk1/zKK75 AOdszNTxt6fI5rFaOr44uHIgRalkQUet2eVuLir5dYx+lHeB8tOeo6AQCsr8REvaAhqSszNDO AVIB8UGmC7PHimyrh3jhtMAXv86ich746WXeNy6LFWk5dDb5UTleDsMAegRTgAqVAVC0UZ5gg 9uHQbeM37Wkmf41u3VaT+/rkuIsF9tOGOWwL0otyXTucHaaaV4vVX/fr3QhK93laSeq+BnSDe G/UnVxf4S3qrpfVgLa9fFvT5dAfqLAOpwU4= On 8/30/25 14:47, Qianfeng Rong wrote: > Change the 'ret' variable in of_platform_mb862xx_probe() from unsigned l= ong > to int, as it needs to store either negative error codes or zero. >=20 > Storing the negative error codes in unsigned type, doesn't cause an issu= e > at runtime but can be confusing. Additionally, assigning negative error > codes to unsigned type may trigger a GCC warning when the -Wsign-convers= ion > flag is enabled. >=20 > No effect on runtime. >=20 > Signed-off-by: Qianfeng Rong > --- > drivers/video/fbdev/mb862xx/mb862xxfbdrv.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) applied. Thanks! Helge