Commits
make shi committed 63f1b42f5eb
ENGR00215354 MX6 USB Host:fix kernel dump when no platform_data Kernel dump when no platform_data. PC is at hub_thread+0xdb0/0x1538 LR is at 0xbfd43400 pc : [<80311eb4>] lr : [<bfd43400>] psr: 60000013 sp : bfdbff08 ip : ba3cd500 fp : ba3cd600 r10: bfd43400 r9 : 00000000 r8 : 00000001 r7 : 00000000 r6 : 00000000 r5 : ba3cd600 r4 : 00000001 r3 : 00000000 r2 : bfd24c60 r1 : bfd43400 r0 : 00000000 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel Control: 10c53c7d Table: 1000404a DAC: 00000015 Process khubd (pid: 338, stack limit = 0xbfdbe2f0) Stack: (0xbfdbff08 to 0xbfdc0000) ff00: 00000101 00000000 80a01d38 8c008f40 bfdbff3c 8006612c ff20: bff8c000 bfd43400 bfd43400 ba3cd648 ba62a220 ba3cd608 bfd4349c ba62a200 ff40: 00000000 ba3cd644 ba3cd640 00000101 00000001 0000009e ba3cd500 ba62a220 ff60: 00000009 ba3cd64c bfdbff9c 800654ac ba3cd6a4 bfdbe000 00000000 bfeac3a0 ff80: 8008d700 bfdbff84 bfdbff84 00000000 01010000 00000001 bfdbffbc bff8bf48 ffa0: bfdbffcc 00000000 80311104 00000000 00000000 00000000 00000000 8008d330 ffc0: bff8bf48 00000000 00000000 00000000 00000000 00000000 bfdbffd8 bfdbffd8 ffe0: 00000000 bff8bf48 8008d2ac 80042040 00000013 80042040 00000000 00000000 [<80311eb4>] (hub_thread+0xdb0/0x1538) from [<8008d330>] (kthread+0x84/0x8c) [<8008d330>] (kthread+0x84/0x8c) from [<80042040>] (kernel_thread_exit+0x0/0x8) If no platform_data ,the pdata will be NULL.If the driver try to access the pdata->platform_set_disconnect_det,dump will occor.SO we should check the pdata is NULL before checking pdata->platform_set_disconnect_det. Signed-off-by: make shi <b15407@freescale.com>