arm64:allmodconfig fails to build as follows.
In file included from include/acpi/platform/aclinux.h:74:0,
from include/acpi/platform/acenv.h:173,
from include/acpi/acpi.h:56,
from include/linux/acpi.h:37,
from ./arch/arm64/include/asm/dma-mapping.h:21,
from include/linux/dma-mapping.h:86,
from include/linux/skbuff.h:34,
from include/crypto/algapi.h:18,
from crypto/asymmetric_keys/rsa.c:16:
include/linux/ctype.h:15:12: error: expected ‘;’, ‘,’ or ‘)’
before numeric constant
#define _X 0x40 /* hex digit */
^
crypto/asymmetric_keys/rsa.c:123:47: note: in expansion of macro ‘_X’
static int RSA_I2OSP(MPI x, size_t xLen, u8 **_X)
^
crypto/asymmetric_keys/rsa.c: In function ‘RSA_verify_signature’:
crypto/asymmetric_keys/rsa.c:256:2: error:
implicit declaration of function ‘RSA_I2OSP’
The problem is caused by an unrelated include file change, resulting in
the inclusion of ctype.h on arm64. This in turn causes the local variable
_X to conflict with macro _X used in ctype.h.
Fixes: b6197b93fa4b ("arm64 : Introduce support for ACPI _CCA object")
Cc: Suthikulpanit, Suravee <Suravee.Suthikulpanit@xxxxxxx>
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
crypto/asymmetric_keys/rsa.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/crypto/asymmetric_keys/rsa.c b/crypto/asymmetric_keys/rsa.c
index 459cf97a75e2..508b57b77474 100644
--- a/crypto/asymmetric_keys/rsa.c
+++ b/crypto/asymmetric_keys/rsa.c
@@ -120,7 +120,7 @@ static int RSAVP1(const struct public_key *key, MPI s, MPI *_m)
/*
* Integer to Octet String conversion [RFC3447 sec 4.1]
*/
-static int RSA_I2OSP(MPI x, size_t xLen, u8 **_X)
+static int RSA_I2OSP(MPI x, size_t xLen, u8 **pX)
{
unsigned X_size, x_size;
int X_sign;
@@ -147,7 +147,7 @@ static int RSA_I2OSP(MPI x, size_t xLen, u8 **_X)
return -EBADMSG;
}
- *_X = X;
+ *pX = X;
return 0;
}
--
2.1.0
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