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path: root/fs/bcachefs/opts.c
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Diffstat (limited to 'fs/bcachefs/opts.c')
-rw-r--r--fs/bcachefs/opts.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/fs/bcachefs/opts.c b/fs/bcachefs/opts.c
index 232be8a44051..0e2ee262fbd4 100644
--- a/fs/bcachefs/opts.c
+++ b/fs/bcachefs/opts.c
@@ -63,7 +63,7 @@ const char * const bch2_compression_opts[] = {
NULL
};
-const char * const bch2_str_hash_types[] = {
+const char * const __bch2_str_hash_types[] = {
BCH_STR_HASH_TYPES()
NULL
};
@@ -115,6 +115,7 @@ PRT_STR_OPT_BOUNDSCHECKED(fs_usage_type, enum bch_fs_usage_type);
PRT_STR_OPT_BOUNDSCHECKED(data_type, enum bch_data_type);
PRT_STR_OPT_BOUNDSCHECKED(csum_type, enum bch_csum_type);
PRT_STR_OPT_BOUNDSCHECKED(compression_type, enum bch_compression_type);
+PRT_STR_OPT_BOUNDSCHECKED(str_hash_type, enum bch_str_hash_type);
static int bch2_opt_fix_errors_parse(struct bch_fs *c, const char *val, u64 *res,
struct printbuf *err)
@@ -225,7 +226,7 @@ const struct bch_option bch2_opt_table[] = {
#define OPT_UINT(_min, _max) .type = BCH_OPT_UINT, \
.min = _min, .max = _max
#define OPT_STR(_choices) .type = BCH_OPT_STR, \
- .min = 0, .max = ARRAY_SIZE(_choices), \
+ .min = 0, .max = ARRAY_SIZE(_choices) - 1, \
.choices = _choices
#define OPT_STR_NOLIMIT(_choices) .type = BCH_OPT_STR, \
.min = 0, .max = U64_MAX, \
@@ -427,7 +428,9 @@ void bch2_opt_to_text(struct printbuf *out,
prt_printf(out, "%lli", v);
break;
case BCH_OPT_STR:
- if (flags & OPT_SHOW_FULL_LIST)
+ if (v < opt->min || v >= opt->max)
+ prt_printf(out, "(invalid option %lli)", v);
+ else if (flags & OPT_SHOW_FULL_LIST)
prt_string_option(out, opt->choices, v);
else
prt_str(out, opt->choices[v]);
@@ -594,6 +597,9 @@ int bch2_parse_mount_opts(struct bch_fs *c, struct bch_opts *opts,
copied_opts_start = copied_opts;
while ((opt = strsep(&copied_opts, ",")) != NULL) {
+ if (!*opt)
+ continue;
+
name = strsep(&opt, "=");
val = opt;