diff options
| -rw-r--r-- | fs/jffs2/erase.c | 9 | ||||
| -rw-r--r-- | fs/jffs2/readinode.c | 18 | ||||
| -rw-r--r-- | fs/jffs2/scan.c | 2 | ||||
| -rw-r--r-- | include/linux/mtd/mtd.h | 2 |
4 files changed, 15 insertions, 16 deletions
diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c index c59d642cade..a01cdad6aad 100644 --- a/fs/jffs2/erase.c +++ b/fs/jffs2/erase.c @@ -336,12 +336,11 @@ static int jffs2_block_check_erase(struct jffs2_sb_info *c, struct jffs2_erasebl uint32_t ofs; size_t retlen; int ret = -EIO; + unsigned long *wordebuf; - if (c->mtd->point) { - unsigned long *wordebuf; - - ret = mtd_point(c->mtd, jeb->offset, c->sector_size, &retlen, - &ebuf, NULL); + ret = mtd_point(c->mtd, jeb->offset, c->sector_size, &retlen, + &ebuf, NULL); + if (ret != -EOPNOTSUPP) { if (ret) { D1(printk(KERN_DEBUG "MTD point failed %d\n", ret)); goto do_flash_read; diff --git a/fs/jffs2/readinode.c b/fs/jffs2/readinode.c index fca2f84e1ad..3093ac4fb24 100644 --- a/fs/jffs2/readinode.c +++ b/fs/jffs2/readinode.c @@ -62,17 +62,15 @@ static int check_node_data(struct jffs2_sb_info *c, struct jffs2_tmp_dnode_info #ifndef __ECOS /* TODO: instead, incapsulate point() stuff to jffs2_flash_read(), * adding and jffs2_flash_read_end() interface. */ - if (c->mtd->point) { - err = mtd_point(c->mtd, ofs, len, &retlen, (void **)&buffer, - NULL); - if (!err && retlen < len) { - JFFS2_WARNING("MTD point returned len too short: %zu instead of %u.\n", retlen, tn->csize); - mtd_unpoint(c->mtd, ofs, retlen); - } else if (err) + err = mtd_point(c->mtd, ofs, len, &retlen, (void **)&buffer, NULL); + if (!err && retlen < len) { + JFFS2_WARNING("MTD point returned len too short: %zu instead of %u.\n", retlen, tn->csize); + mtd_unpoint(c->mtd, ofs, retlen); + } else if (err) { + if (err != -EOPNOTSUPP) JFFS2_WARNING("MTD point failed: error code %d.\n", err); - else - pointed = 1; /* succefully pointed to device */ - } + } else + pointed = 1; /* succefully pointed to device */ #endif if (!pointed) { diff --git a/fs/jffs2/scan.c b/fs/jffs2/scan.c index 83e1665e257..f99464833bb 100644 --- a/fs/jffs2/scan.c +++ b/fs/jffs2/scan.c @@ -105,7 +105,7 @@ int jffs2_scan_medium(struct jffs2_sb_info *c) mtd_unpoint(c->mtd, 0, pointlen); flashbuf = NULL; } - if (ret) + if (ret && ret != -EOPNOTSUPP) D1(printk(KERN_DEBUG "MTD point failed %d\n", ret)); } #endif diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index 478701566ba..b355a83e7cc 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -259,6 +259,8 @@ static inline int mtd_point(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, void **virt, resource_size_t *phys) { *retlen = 0; + if (!mtd->point) + return -EOPNOTSUPP; return mtd->point(mtd, from, len, retlen, virt, phys); } |