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charset="utf-8" A single call to einj_get_available_error_type in init function is sufficient to save the return value in a global variable to be used later in various places in the code. This commit does not introduce any functional changes, but only removing unnecessary redundant function calls. Signed-off-by: Zaid Alali Acked-by: Tony Luck Reviewed-by: Jonathan Cameron --- drivers/acpi/apei/einj-core.c | 22 +++++++++------------- 1 file changed, 9 insertions(+), 13 deletions(-) diff --git a/drivers/acpi/apei/einj-core.c b/drivers/acpi/apei/einj-core.c index 9515bcfe5e97..b1bbbee9c664 100644 --- a/drivers/acpi/apei/einj-core.c +++ b/drivers/acpi/apei/einj-core.c @@ -83,6 +83,8 @@ static struct debugfs_blob_wrapper vendor_blob; static struct debugfs_blob_wrapper vendor_errors; static char vendor_dev[64]; =20 +static u32 available_error_type; + /* * Some BIOSes allow parameters to the SET_ERROR_TYPE entries in the * EINJ table through an unpublished extension. Use with caution as @@ -648,14 +650,9 @@ static struct { u32 mask; const char *str; } const ein= j_error_type_string[] =3D { =20 static int available_error_type_show(struct seq_file *m, void *v) { - int rc; - u32 error_type =3D 0; =20 - rc =3D einj_get_available_error_type(&error_type); - if (rc) - return rc; for (int pos =3D 0; pos < ARRAY_SIZE(einj_error_type_string); pos++) - if (error_type & einj_error_type_string[pos].mask) + if (available_error_type & einj_error_type_string[pos].mask) seq_printf(m, "0x%08x\t%s\n", einj_error_type_string[pos].mask, einj_error_type_string[pos].str); =20 @@ -678,8 +675,7 @@ bool einj_is_cxl_error_type(u64 type) =20 int einj_validate_error_type(u64 type) { - u32 tval, vendor, available_error_type =3D 0; - int rc; + u32 tval, vendor; =20 /* Only low 32 bits for error type are valid */ if (type & GENMASK_ULL(63, 32)) @@ -695,13 +691,9 @@ int einj_validate_error_type(u64 type) /* Only one error type can be specified */ if (tval & (tval - 1)) return -EINVAL; - if (!vendor) { - rc =3D einj_get_available_error_type(&available_error_type); - if (rc) - return rc; + if (!vendor) if (!(type & available_error_type)) return -EINVAL; - } =20 return 0; } @@ -777,6 +769,10 @@ static int __init einj_probe(struct platform_device *p= dev) goto err_put_table; } =20 + rc =3D einj_get_available_error_type(&available_error_type); + if (rc) + return rc; + rc =3D -ENOMEM; einj_debug_dir =3D debugfs_create_dir("einj", apei_get_debugfs_dir()); =20 --=20 2.34.1