From 6e37fa2293a344ab20f79498ac097fb8f12a1183 Mon Sep 17 00:00:00 2001 From: Heinrich Schuchardt Date: Fri, 18 Jan 2019 12:31:54 +0100 Subject: [PATCH] efi_loader: eliminate duplicate function hex2mem() Use existing inline function hex2bin() instead of defining a new one. Signed-off-by: Heinrich Schuchardt Signed-off-by: Alexander Graf --- lib/efi_loader/efi_variable.c | 44 +++---------------------------------------- 1 file changed, 3 insertions(+), 41 deletions(-) diff --git a/lib/efi_loader/efi_variable.c b/lib/efi_loader/efi_variable.c index c302dbd..eea7f68 100644 --- a/lib/efi_loader/efi_variable.c +++ b/lib/efi_loader/efi_variable.c @@ -8,6 +8,7 @@ #include #include #include +#include #define READ_ONLY BIT(31) @@ -46,45 +47,6 @@ #define PREFIX_LEN (strlen("efi_xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx_")) -static int hex(int ch) -{ - if (ch >= 'a' && ch <= 'f') - return ch-'a'+10; - if (ch >= '0' && ch <= '9') - return ch-'0'; - if (ch >= 'A' && ch <= 'F') - return ch-'A'+10; - return -1; -} - -static int hex2mem(u8 *mem, const char *hexstr, int size) -{ - int nibble; - int i; - - for (i = 0; i < size; i++) { - if (*hexstr == '\0') - break; - - nibble = hex(*hexstr); - if (nibble < 0) - return -1; - - *mem = nibble; - hexstr++; - - nibble = hex(*hexstr); - if (nibble < 0) - return -1; - - *mem = (*mem << 4) | nibble; - hexstr++; - mem++; - } - - return i; -} - static char *mem2hex(char *hexstr, const u8 *mem, int count) { static const char hexchars[] = "0123456789abcdef"; @@ -195,7 +157,7 @@ efi_status_t EFIAPI efi_get_variable(u16 *variable_name, in_size = *data_size; if ((s = prefix(val, "(blob)"))) { - unsigned len = strlen(s); + size_t len = strlen(s); /* number of hexadecimal digits must be even */ if (len & 1) @@ -211,7 +173,7 @@ efi_status_t EFIAPI efi_get_variable(u16 *variable_name, if (!data) return EFI_EXIT(EFI_INVALID_PARAMETER); - if (hex2mem(data, s, len) != len) + if (hex2bin(data, s, len)) return EFI_EXIT(EFI_DEVICE_ERROR); debug("%s: got value: \"%s\"\n", __func__, s); -- 2.7.4