[ Upstream commit f2d5bccaca3e8c09c9b9c8485375f7bdbb2631d2 ]
simple_realloc() frees the original buffer (ptr) even if the
reallocation failed.
Fix it to behave like standard realloc() and only free the original
buffer if the reallocation succeeded.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240229115149.749264-1-mpe@ellerman.id.au
Signed-off-by: Sasha Levin <sashal@kernel.org>