[Xen-devel] [PATCH] Fix gdbserver-xen support on older kernels.

["Justin T. Gibbs" <gibbs@xxxxxxxxxxx>]

The xc_ptrace API relies on errno for passing success/failure indication
back to callers.  However, mapping operations that fall back on legacy
APIs may leave errno set to a non-zero result even thought the operation
is successful.  This patch resets errno after successful map operations
so that xc_ptrace doesn't inadvertently return a failure.

Signed-off-by: Justin Gibbs <gibbs@xxxxxxxxxxx>

Attachment: xc_ptrace.patch
Description: Text document

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