[SRU][bionic][PATCH 2/2] s390/ptrace: return -ENOSYS when invalid syscall is supplied

[Krzysztof Kozlowski]

On 21/04/2021 15:54, Dan Streetman wrote:
> From: Sven Schnelle <svens at linux.ibm.com>
> 
> BugLink: https://bugs.launchpad.net/bugs/1916485
> 
> The current code returns the syscall number which an invalid
> syscall number is supplied and tracing is enabled. This makes
> the strace testsuite fail.
> 
> Signed-off-by: Sven Schnelle <svens at linux.ibm.com>
> Signed-off-by: Vasily Gorbik <gor at linux.ibm.com>
> (cherry picked from commit cd29fa798001075a554b978df3a64e6656c25794)

This does not match original commit, so the message should be
"(backported from" plus an explanation what changed in the backport.

I'll try to send the backport to upstream.



Best regards,
Krzysztof