diff options
Diffstat (limited to 'libblkid')
| -rw-r--r-- | libblkid/src/probe.c | 36 | ||||
| -rw-r--r-- | libblkid/src/read.c | 3 | ||||
| -rw-r--r-- | libblkid/src/save.c | 3 | ||||
| -rw-r--r-- | libblkid/src/tag.c | 6 |
4 files changed, 9 insertions, 39 deletions
diff --git a/libblkid/src/probe.c b/libblkid/src/probe.c index 76ac099fc..b2e7435aa 100644 --- a/libblkid/src/probe.c +++ b/libblkid/src/probe.c @@ -355,9 +355,6 @@ void *blkid_probe_get_binary_data(blkid_probe pr, struct blkid_chain *chn) int rc, org_prob_flags; struct blkid_chain *org_chn; - if (!pr || !chn) - return NULL; - /* save the current setting -- the binary API has to be completely * independent on the current probing status */ @@ -445,7 +442,7 @@ unsigned long *blkid_probe_get_filter(blkid_probe pr, int chain, int create) { struct blkid_chain *chn; - if (!pr || chain < 0 || chain >= BLKID_NCHAINS) + if (chain < 0 || chain >= BLKID_NCHAINS) return NULL; chn = &pr->chains[chain]; @@ -476,9 +473,6 @@ int __blkid_probe_invert_filter(blkid_probe pr, int chain) size_t i; struct blkid_chain *chn; - if (!pr) - return -1; - chn = &pr->chains[chain]; if (!chn->driver->has_fltr || !chn->fltr) @@ -647,7 +641,7 @@ static void blkid_probe_reset_buffer(blkid_probe pr) */ int blkid_probe_is_tiny(blkid_probe pr) { - return pr && (pr->flags & BLKID_FL_TINY_DEV); + return pr->flags & BLKID_FL_TINY_DEV; } /* @@ -655,7 +649,7 @@ int blkid_probe_is_tiny(blkid_probe pr) */ int blkid_probe_is_cdrom(blkid_probe pr) { - return pr && (pr->flags & BLKID_FL_CDROM_DEV); + return pr->flags & BLKID_FL_CDROM_DEV; } /** @@ -767,9 +761,6 @@ err: int blkid_probe_get_dimension(blkid_probe pr, blkid_loff_t *off, blkid_loff_t *size) { - if (!pr) - return -1; - *off = pr->off; *size = pr->size; return 0; @@ -778,9 +769,6 @@ int blkid_probe_get_dimension(blkid_probe pr, int blkid_probe_set_dimension(blkid_probe pr, blkid_loff_t off, blkid_loff_t size) { - if (!pr) - return -1; - DBG(LOWPROBE, ul_debug( "changing probing area pr=%p: size=%llu, off=%llu " "-to-> size=%llu, off=%llu", @@ -1275,8 +1263,6 @@ struct blkid_prval *blkid_probe_assign_value( { struct blkid_prval *v; - if (!name) - return NULL; if (pr->nvals >= BLKID_NVALS) return NULL; @@ -1293,7 +1279,7 @@ int blkid_probe_reset_last_value(blkid_probe pr) { struct blkid_prval *v; - if (pr == NULL || pr->nvals == 0) + if (pr->nvals == 0) return -1; v = &pr->vals[pr->nvals - 1]; @@ -1363,7 +1349,7 @@ int blkid_probe_set_magic(blkid_probe pr, blkid_loff_t offset, int rc = 0; struct blkid_chain *chn = blkid_probe_get_chain(pr); - if (!chn || !magic || !len || chn->binary) + if (!chn || !len || chn->binary) return 0; switch (chn->driver->id) { @@ -1665,7 +1651,7 @@ int blkid_probe_has_value(blkid_probe pr, const char *name) struct blkid_prval *__blkid_probe_get_value(blkid_probe pr, int num) { - if (!pr || num < 0 || num >= pr->nvals) + if (num < 0 || num >= pr->nvals) return NULL; return &pr->vals[num]; @@ -1675,7 +1661,7 @@ struct blkid_prval *__blkid_probe_lookup_value(blkid_probe pr, const char *name) { int i; - if (!pr || !pr->nvals || !name) + if (!pr->nvals) return NULL; for (i = 0; i < pr->nvals; i++) { @@ -1772,9 +1758,6 @@ void blkid_probe_set_wiper(blkid_probe pr, blkid_loff_t off, blkid_loff_t size) { struct blkid_chain *chn; - if (!pr) - return; - if (!size) { DBG(LOWPROBE, ul_debug("zeroize wiper")); pr->wipe_size = pr->wipe_off = 0; @@ -1806,12 +1789,11 @@ void blkid_probe_set_wiper(blkid_probe pr, blkid_loff_t off, blkid_loff_t size) int blkid_probe_is_wiped(blkid_probe pr, struct blkid_chain **chn, blkid_loff_t off, blkid_loff_t size) { - if (!pr || !size) + if (!size) return 0; if (pr->wipe_off <= off && off + size <= pr->wipe_off + pr->wipe_size) { - if (chn) - *chn = pr->wipe_chain; + *chn = pr->wipe_chain; return 1; } return 0; diff --git a/libblkid/src/read.c b/libblkid/src/read.c index 81ab0dfd6..99a9684c8 100644 --- a/libblkid/src/read.c +++ b/libblkid/src/read.c @@ -402,9 +402,6 @@ void blkid_read_cache(blkid_cache cache) int fd, lineno = 0; struct stat st; - if (!cache) - return; - /* * If the file doesn't exist, then we just return an empty * struct so that the cache can be populated. diff --git a/libblkid/src/save.c b/libblkid/src/save.c index c2a975348..bdc9c5980 100644 --- a/libblkid/src/save.c +++ b/libblkid/src/save.c @@ -85,9 +85,6 @@ int blkid_flush_cache(blkid_cache cache) int fd, ret = 0; struct stat st; - if (!cache) - return -BLKID_ERR_PARAM; - if (list_empty(&cache->bic_devs) || !(cache->bic_flags & BLKID_BIC_FL_CHANGED)) { DBG(SAVE, ul_debug("skipping cache file write")); diff --git a/libblkid/src/tag.c b/libblkid/src/tag.c index 6af806251..a59c0e63a 100644 --- a/libblkid/src/tag.c +++ b/libblkid/src/tag.c @@ -66,9 +66,6 @@ blkid_tag blkid_find_tag_dev(blkid_dev dev, const char *type) { struct list_head *p; - if (!dev || !type) - return NULL; - list_for_each(p, &dev->bid_tags) { blkid_tag tmp = list_entry(p, struct blkid_struct_tag, bit_tags); @@ -127,9 +124,6 @@ int blkid_set_tag(blkid_dev dev, const char *name, char *val = 0; char **dev_var = 0; - if (!dev || !name) - return -BLKID_ERR_PARAM; - if (value && !(val = strndup(value, vlength))) return -BLKID_ERR_MEM; |