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powerpc: Fix struct termio related ioctl macros

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[ Upstream commit ab107276607af90b13a5994997e19b7b9731e251 ]

Since termio interface is now obsolete, include/uapi/asm/ioctls.h
has some constant macros referring to "struct termio", this caused
build failure at userspace.

In file included from /usr/include/asm/ioctl.h:12,
                 from /usr/include/asm/ioctls.h:5,
                 from tst-ioctls.c:3:
tst-ioctls.c: In function 'get_TCGETA':
tst-ioctls.c:12:10: error: invalid application of 'sizeof' to incomplete type 'struct termio'
   12 |   return TCGETA;
      |          ^~~~~~

Even though termios.h provides "struct termio", trying to juggle definitions around to
make it compile could introduce regressions. So better to open code it.

Reported-by: Tulio Magno <tuliom@ascii.art.br>
Suggested-by: Nicholas Piggin <npiggin@gmail.com>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Reviewed-by: Michael Ellerman <mpe@ellerman.id.au>
Closes: https://lore.kernel.org/linuxppc-dev/8734dji5wl.fsf@ascii.art.br/
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20250517142237.156665-1-maddy@linux.ibm.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Madhavan Srinivasan
2025-05-17 19:52:37 +05:30
committed by Greg Kroah-Hartman
parent ba91173127
commit 871beab5b4
1 changed files with 4 additions and 4 deletions
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8
arch/powerpc/include/uapi/asm/ioctls.h
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@@ -23,10 +23,10 @@
#define TCSETSW _IOW('t', 21, struct termios)
#define TCSETSF _IOW('t', 22, struct termios)
#define TCGETA _IOR('t', 23, struct termio)
#define TCSETA _IOW('t', 24, struct termio)
#define TCSETAW _IOW('t', 25, struct termio)
#define TCSETAF _IOW('t', 28, struct termio)
#define TCGETA 0x40147417 /* _IOR('t', 23, struct termio) */
#define TCSETA 0x80147418 /* _IOW('t', 24, struct termio) */
#define TCSETAW 0x80147419 /* _IOW('t', 25, struct termio) */
#define TCSETAF 0x8014741c /* _IOW('t', 28, struct termio) */
#define TCSBRK _IO('t', 29)
#define TCXONC _IO('t', 30)