x86/RAS/mce_amd_inj: Fix signed wrap around when decrementing index 'i'

[cascardo/linux.git] / arch / x86 / ras / mce_amd_inj.c

diff --git a/arch/x86/ras/mce_amd_inj.c b/arch/x86/ras/mce_amd_inj.c
index cd318d9..20b227f 100644 (file)
--- a/arch/x86/ras/mce_amd_inj.c
+++ b/arch/x86/ras/mce_amd_inj.c
@@ -464,13 +464,13 @@ static int __init init_mce_inject(void)
        return 0;
 
 err_dfs_add:
-       while (--i >= 0)
+       while (i-- > 0)
                debugfs_remove(dfs_fls[i].d);
 
        debugfs_remove(dfs_inj);
        dfs_inj = NULL;
 
-       return -ENOMEM;
+       return -ENODEV;
 }
 
 static void __exit exit_mce_inject(void)