On Sun, Apr 07, 2013 at 04:19:39PM +0400, Alexander Shiyan wrote:
> barebox@Phytec phyCORE-i.MX27:/ mci0.probe=
> unable to handle NULL pointer dereference at address 0x00000000
> pc : [<a7f24700>] lr : [<a7f193f4>]
> sp : a7fff8e0 ip : 00000000 fp : 00000001
> r10: 00000000 r9 : a6ffba8c r8 : 00000000
> r7 : a7fffad0 r6 : a6ffbb04 r5 : a6fdd5cc r4 : a6fdd658
> r3 : a7f18760 r2 : 00000000 r1 : 00000000 r0 : 00000000
> Flags: nZCv IRQs off FIQs off Mode SVC_32
> [<a7f24700>] (simple_strtoul+0xc/0xc0) from [<a7f193f4>] (mci_set_probe+0xc94/0xd64)
> [<a7f193f4>] (mci_set_probe+0xc94/0xd64) from [<a7f252cc>] (dev_set_param+0x74/0x8c)
> [<a7f252cc>] (dev_set_param+0x74/0x8c) from [<a7f0606c>] (setenv+0x60/0xd8)
> [<a7f0606c>] (setenv+0x60/0xd8) from [<a7f00820>] (set_local_var.isra.3+0x5c/0x7c)
> [<a7f00820>] (set_local_var.isra.3+0x5c/0x7c) from [<a7f01a6c>] (run_list_real+0x494/0x934)
> [<a7f01a6c>] (run_list_real+0x494/0x934) from [<a7f01400>] (parse_stream_outer+0x198/0x270)
> [<a7f01400>] (parse_stream_outer+0x198/0x270) from [<a7f0209c>] (run_shell+0x3c/0x7c)
> [<a7f0209c>] (run_shell+0x3c/0x7c) from [<a7f05494>] (execute_command+0x38/0x78)
> [<a7f05494>] (execute_command+0x38/0x78) from [<a7f01db8>] (run_list_real+0x7e0/0x934)
> [<a7f01db8>] (run_list_real+0x7e0/0x934) from [<a7f019ec>] (run_list_real+0x414/0x934)
> [<a7f39578>] (unwind_backtrace+0x0/0xa8) from [<a7f24ed4>] (panic+0x28/0x3c)
> [<a7f24ed4>] (panic+0x28/0x3c) from [<a7f39a3c>] (do_exception+0x10/0x14)
> [<a7f39a3c>] (do_exception+0x10/0x14) from [<a7f39ac8>] (do_data_abort+0x2c/0x38)
> [<a7f39ac8>] (do_data_abort+0x2c/0x38) from [<a7f39788>] (data_abort+0x48/0x60)
>
> Signed-off-by: Alexander Shiyan <shc_work@xxxxxxx>
Applied to master. This shouldn't happen anymore when my parameter
update series is merged though.
Sascha
> ---
> drivers/mci/mci-core.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/mci/mci-core.c b/drivers/mci/mci-core.c
> index c8598c2..aef5c69 100644
> --- a/drivers/mci/mci-core.c
> +++ b/drivers/mci/mci-core.c
> @@ -1465,6 +1465,9 @@ static int mci_set_probe(struct device_d *mci_dev, struct param_d *param,
> if (rc != 0)
> return 0;
>
> + if (!val)
> + return -EINVAL;
> +
> probe = simple_strtoul(val, NULL, 0);
> if (probe != 0) {
> rc = mci_card_probe(mci);
> --
> 1.8.1.5
>
>
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