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x86/boot: Clean up whitespace in a20.c

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Remove trailing whitespace on empty lines.

No functional changes.

  [ bp: Massage commit message. ]

Signed-off-by: Harry Fellowes <harryfellowes1@gmail.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://patch.msgid.link/20250825192832.6444-3-harryfellowes1@gmail.com
This commit is contained in:
Harry Fellowes 2025-08-25 20:28:34 +01:00 committed by Borislav Petkov (AMD)
parent 3d1f108845
commit d911fe6e94
1 changed files with 5 additions and 5 deletions
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10
arch/x86/boot/a20.c
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@ -135,29 +135,29 @@ int enable_a20(void)
(legacy free, etc.) */
if (a20_test_short())
return 0;
/* Next, try the BIOS (INT 0x15, AX=0x2401) */
enable_a20_bios();
if (a20_test_short())
return 0;
/* Try enabling A20 through the keyboard controller */
kbc_err = empty_8042();
if (a20_test_short())
return 0; /* BIOS worked, but with delayed reaction */
if (!kbc_err) {
enable_a20_kbc();
if (a20_test_long())
return 0;
}
/* Finally, try enabling the "fast A20 gate" */
enable_a20_fast();
if (a20_test_long())
return 0;
}
return -1;
}