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[comboot] Do not assume that image has a non-NULL command line 

Signed-off-by: Michael Brown <mcb30@ipxe.org>
pull/1/head
Michael Brown 2011-03-07 02:38:26 +00:00
parent 34b6ecb2f1
commit d1ad046a87
1 changed files with 3 additions and 3 deletions
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6
src/arch/i386/image/com32.c
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@ -119,7 +119,8 @@ static int com32_exec_loop ( struct image *image ) {
/* %2 */ "r" ( get_fbms() * 1024 - (COM32_BOUNCE_SEG << 4) ),
/* %3 */ "i" ( COM32_BOUNCE_SEG << 4 ),
/* %4 */ "r" ( virt_to_phys ( com32_intcall_wrapper ) ),
/* %5 */ "r" ( virt_to_phys ( image->cmdline ) ),
/* %5 */ "r" ( virt_to_phys ( image->cmdline ?
image->cmdline : "" ) ),
/* %6 */ "r" ( COM32_START_PHYS )
:
"memory" );
@ -291,8 +292,7 @@ static int com32_prepare_bounce_buffer ( struct image * image ) {
static int com32_probe ( struct image *image ) {
int rc;
DBGC ( image, "COM32 %p: name '%s', cmdline '%s'\n",
image, image->name, image->cmdline );
DBGC ( image, "COM32 %p: name '%s'\n", image, image->name );
/* Check if this is a COMBOOT image */
if ( ( rc = com32_identify ( image ) ) != 0 ) {