gprs_gmm: ctx cannot be null, so remove check

Detected by Smatch:
/home/laforge/projects/git/openbsc/openbsc/src/gprs/gprs_gmm.c +757 gsm48_rx_gmm_att_req(133) warn: variable dereferenced before check 'ctx'
1 file changed
tree: 3702b30d2d6d9ffca46f0dab69541c36c7a81ece
  1. hlrsync/
  2. linux-kernel/
  3. openbsc/
  4. wireshark/
  5. README