diff --git a/fs/partitions/msdos.c b/fs/partitions/msdos.c index 4ccec4cd1367a304bac2c784d0ba7e794b3e98cc..5567ec0d03a3910e931591e72669842cfc2b4591 100644 --- a/fs/partitions/msdos.c +++ b/fs/partitions/msdos.c @@ -203,6 +203,7 @@ parse_solaris_x86(struct parsed_partitions *state, struct block_device *bdev, Sector sect; struct solaris_x86_vtoc *v; int i; + short max_nparts; v = (struct solaris_x86_vtoc *)read_dev_sector(bdev, offset+1, §); if (!v) @@ -218,7 +219,9 @@ parse_solaris_x86(struct parsed_partitions *state, struct block_device *bdev, put_dev_sector(sect); return; } - for (i=0; inextlimit; i++) { + /* Ensure we can handle previous case of VTOC with 8 entries gracefully */ + max_nparts = le16_to_cpu (v->v_nparts) > 8 ? SOLARIS_X86_NUMSLICE : 8; + for (i=0; inextlimit; i++) { struct solaris_x86_slice *s = &v->v_slice[i]; if (s->s_size == 0) continue; diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 9756fc102a83f284a1040386bd076d6acca81cff..a47b8025d39935c18a66db9cc975a58fe8f85dda 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -264,7 +264,7 @@ static inline void set_capacity(struct gendisk *disk, sector_t size) #ifdef CONFIG_SOLARIS_X86_PARTITION -#define SOLARIS_X86_NUMSLICE 8 +#define SOLARIS_X86_NUMSLICE 16 #define SOLARIS_X86_VTOC_SANE (0x600DDEEEUL) struct solaris_x86_slice {