diff options
Diffstat (limited to 'com32/gpllib/disk/geom.c')
| -rw-r--r-- | com32/gpllib/disk/geom.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/com32/gpllib/disk/geom.c b/com32/gpllib/disk/geom.c index 9e673ed4..e1095200 100644 --- a/com32/gpllib/disk/geom.c +++ b/com32/gpllib/disk/geom.c @@ -120,7 +120,7 @@ static int detect_extensions(struct driveinfo *drive_info) static int get_drive_parameters_with_extensions(struct driveinfo *drive_info) { com32sys_t inreg, outreg; - struct edd_device_parameters *dp = __com32.cs_bounce; + struct edd_device_parameters *dp; memset(&inreg, 0, sizeof inreg); @@ -134,6 +134,10 @@ static int get_drive_parameters_with_extensions(struct driveinfo *drive_info) * If the buffer length is less than 26 on entry an error shall be * returned. */ + dp = lmalloc(sizeof *dp); + if (!dp) + return -1; + dp->len = sizeof(struct edd_device_parameters); inreg.esi.w[0] = OFFS(dp); @@ -144,10 +148,13 @@ static int get_drive_parameters_with_extensions(struct driveinfo *drive_info) __intcall(0x13, &inreg, &outreg); /* CF set on error */ - if (outreg.eflags.l & EFLAGS_CF) + if (outreg.eflags.l & EFLAGS_CF) { + lfree(dp); return outreg.eax.b[1]; + } memcpy(&drive_info->edd_params, dp, sizeof drive_info->edd_params); + lfree(dp); return 0; } |