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shared: efivars - is_efi_*() returns bool instead of int

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There was a bug where is_efi_*() could return a negative error value, which would be treated as 'true',
just make this a bool in the helper library to avoid the problem.
This commit is contained in:
Tom Gundersen 2015-04-10 19:43:36 +02:00
parent 3dc055541c
commit 9df49b3358
2 changed files with 6 additions and 6 deletions
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8
src/shared/efivars.c
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@ -87,12 +87,12 @@ static int read_flag(const char *varname) {
return r;
}
int is_efi_secure_boot(void) {
return read_flag("SecureBoot");
bool is_efi_secure_boot(void) {
return read_flag("SecureBoot") > 0;
}
int is_efi_secure_boot_setup_mode(void) {
return read_flag("SetupMode");
bool is_efi_secure_boot_setup_mode(void) {
return read_flag("SetupMode") > 0;
}
int efi_reboot_to_firmware_supported(void) {

4
src/shared/efivars.h
View File

@ -33,8 +33,8 @@
#define EFI_VARIABLE_RUNTIME_ACCESS 0x0000000000000004
bool is_efi_boot(void);
int is_efi_secure_boot(void);
int is_efi_secure_boot_setup_mode(void);
bool is_efi_secure_boot(void);
bool is_efi_secure_boot_setup_mode(void);
int efi_reboot_to_firmware_supported(void);
int efi_get_reboot_to_firmware(void);
int efi_set_reboot_to_firmware(bool value);