linux_compat: fix NULL pointer dereference in get_mem()

Add NULL check after memalign() call in get_mem() to prevent
potential NULL pointer dereference (CWE-476).

The function memalign() can return NULL on allocation failure.
Dereferencing the returned pointer without checking for NULL
may cause a crash in low-memory conditions.

Changes:
- Add NULL check after memalign() allocation
- Return NULL on failure, consistent with function semantics

This fixes the static analyzer warning:
  linux_compat.c:34: dereference of memalign return value without NULL check

Reported-by: static analyzer Svace
Signed-off-by: Anton Moryakov <[email protected]>
Reviewed-by: Tom Rini <[email protected]>

0 files changed, 0 insertions, 0 deletions