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MIPS: Setup errno for {f,l,}xstat

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{f,l,}xstat stub for MIPS is using INTERNAL_SYSCALL
to do xstat syscall for glibc ver, However it leaves
errno untouched and thus giving bad errno output.

Setup errno properly when syscall returns non-zero.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
This commit is contained in:
Jiaxun Yang 2021-09-07 13:31:42 +08:00 committed by Adhemerval Zanella
parent 4e04a47208
commit 66016ec8ae
3 changed files with 9 additions and 3 deletions
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4
sysdeps/unix/sysv/linux/mips/fxstat.c
View File

@ -35,7 +35,9 @@ __fxstat (int vers, int fd, struct stat *buf)
{
struct kernel_stat kbuf;
int r = INTERNAL_SYSCALL_CALL (fstat, fd, &kbuf);
return r ?: __xstat_conv (vers, &kbuf, buf);
if (r == 0)
return __xstat_conv (vers, &kbuf, buf);
return INLINE_SYSCALL_ERROR_RETURN_VALUE (-r);
}
}
}

4
sysdeps/unix/sysv/linux/mips/lxstat.c
View File

@ -35,7 +35,9 @@ __lxstat (int vers, const char *name, struct stat *buf)
{
struct kernel_stat kbuf;
int r = INTERNAL_SYSCALL_CALL (lstat, name, &kbuf);
return r ?: __xstat_conv (vers, &kbuf, buf);
if (r == 0)
return __xstat_conv (vers, &kbuf, buf);
return INLINE_SYSCALL_ERROR_RETURN_VALUE (-r);
}
}
}

4
sysdeps/unix/sysv/linux/mips/xstat.c
View File

@ -35,7 +35,9 @@ __xstat (int vers, const char *name, struct stat *buf)
{
struct kernel_stat kbuf;
int r = INTERNAL_SYSCALL_CALL (stat, name, &kbuf);
return r ?: __xstat_conv (vers, &kbuf, buf);
if (r == 0)
return __xstat_conv (vers, &kbuf, buf);
return INLINE_SYSCALL_ERROR_RETURN_VALUE (-r);
}
}
}