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Diffstat (limited to 'lib')
-rw-r--r--lib/bootconfig.c2
-rw-r--r--lib/dynamic_debug.c82
-rw-r--r--lib/glob.c2
-rw-r--r--lib/vsprintf.c7
-rw-r--r--lib/xz/xz_dec_lzma2.c4
-rw-r--r--lib/xz/xz_dec_stream.c16
-rw-r--r--lib/zstd/decompress.c10
7 files changed, 67 insertions, 56 deletions
diff --git a/lib/bootconfig.c b/lib/bootconfig.c
index a5f701161f6b..2c905a91d4eb 100644
--- a/lib/bootconfig.c
+++ b/lib/bootconfig.c
@@ -817,7 +817,7 @@ int __init xbc_init(char *buf, const char **emsg, int *epos)
q - 2);
break;
}
- /* Fall through */
+ /* fall through */
case '=':
ret = xbc_parse_kv(&p, q, c);
break;
diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index 1d012e597cc3..2d4dfd44b0fa 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -353,8 +353,7 @@ static int check_set(const char **dest, char *src, char *name)
/*
* Parse words[] as a ddebug query specification, which is a series
- * of (keyword, value) pairs or combined keyword=value terms,
- * chosen from these possibilities:
+ * of (keyword, value) pairs chosen from these possibilities:
*
* func <function-name>
* file <full-pathname>
@@ -373,34 +372,22 @@ static int ddebug_parse_query(char *words[], int nwords,
unsigned int i;
int rc = 0;
char *fline;
- char *keyword, *arg;
+
+ /* check we have an even number of words */
+ if (nwords % 2 != 0) {
+ pr_err("expecting pairs of match-spec <value>\n");
+ return -EINVAL;
+ }
if (modname)
/* support $modname.dyndbg=<multiple queries> */
query->module = modname;
- for (i = 0; i < nwords; i++) {
- /* accept keyword=arg */
- vpr_info("%d w:%s\n", i, words[i]);
-
- keyword = words[i];
- arg = strchr(keyword, '=');
- if (arg) {
- *arg++ = '\0';
- } else {
- i++; /* next word is arg */
- if (!(i < nwords)) {
- pr_err("missing arg to keyword: %s\n", keyword);
- return -EINVAL;
- }
- arg = words[i];
- }
- vpr_info("%d key:%s arg:%s\n", i, keyword, arg);
-
- if (!strcmp(keyword, "func")) {
- rc = check_set(&query->function, arg, "func");
- } else if (!strcmp(keyword, "file")) {
- if (check_set(&query->filename, arg, "file"))
+ for (i = 0; i < nwords; i += 2) {
+ if (!strcmp(words[i], "func")) {
+ rc = check_set(&query->function, words[i+1], "func");
+ } else if (!strcmp(words[i], "file")) {
+ if (check_set(&query->filename, words[i+1], "file"))
return -EINVAL;
/* tail :$info is function or line-range */
@@ -416,18 +403,18 @@ static int ddebug_parse_query(char *words[], int nwords,
if (parse_linerange(query, fline))
return -EINVAL;
}
- } else if (!strcmp(keyword, "module")) {
- rc = check_set(&query->module, arg, "module");
- } else if (!strcmp(keyword, "format")) {
- string_unescape_inplace(arg, UNESCAPE_SPACE |
+ } else if (!strcmp(words[i], "module")) {
+ rc = check_set(&query->module, words[i+1], "module");
+ } else if (!strcmp(words[i], "format")) {
+ string_unescape_inplace(words[i+1], UNESCAPE_SPACE |
UNESCAPE_OCTAL |
UNESCAPE_SPECIAL);
- rc = check_set(&query->format, arg, "format");
- } else if (!strcmp(keyword, "line")) {
- if (parse_linerange(query, arg))
+ rc = check_set(&query->format, words[i+1], "format");
+ } else if (!strcmp(words[i], "line")) {
+ if (parse_linerange(query, words[i+1]))
return -EINVAL;
} else {
- pr_err("unknown keyword \"%s\"\n", keyword);
+ pr_err("unknown keyword \"%s\"\n", words[i]);
return -EINVAL;
}
if (rc)
@@ -525,7 +512,7 @@ static int ddebug_exec_query(char *query_string, const char *modname)
last error or number of matching callsites. Module name is either
in param (for boot arg) or perhaps in query string.
*/
-int ddebug_exec_queries(char *query, const char *modname)
+static int ddebug_exec_queries(char *query, const char *modname)
{
char *split;
int i, errs = 0, exitcode = 0, rc, nfound = 0;
@@ -557,7 +544,30 @@ int ddebug_exec_queries(char *query, const char *modname)
return exitcode;
return nfound;
}
-EXPORT_SYMBOL_GPL(ddebug_exec_queries);
+
+/**
+ * dynamic_debug_exec_queries - select and change dynamic-debug prints
+ * @query: query-string described in admin-guide/dynamic-debug-howto
+ * @modname: string containing module name, usually &module.mod_name
+ *
+ * This uses the >/proc/dynamic_debug/control reader, allowing module
+ * authors to modify their dynamic-debug callsites. The modname is
+ * canonically struct module.mod_name, but can also be null or a
+ * module-wildcard, for example: "drm*".
+ */
+int dynamic_debug_exec_queries(const char *query, const char *modname)
+{
+ int rc;
+ char *qry = kstrndup(query, PAGE_SIZE, GFP_KERNEL);
+
+ if (!query)
+ return -ENOMEM;
+
+ rc = ddebug_exec_queries(qry, modname);
+ kfree(qry);
+ return rc;
+}
+EXPORT_SYMBOL_GPL(dynamic_debug_exec_queries);
#define PREFIX_SIZE 64
@@ -947,7 +957,7 @@ int ddebug_add_module(struct _ddebug *tab, unsigned int n,
list_add(&dt->link, &ddebug_tables);
mutex_unlock(&ddebug_lock);
- v2pr_info("%u debug prints in module %s\n", n, dt->mod_name);
+ v2pr_info("%3u debug prints in module %s\n", n, dt->mod_name);
return 0;
}
diff --git a/lib/glob.c b/lib/glob.c
index 0ba3ea86b546..52e3ed7e4a9b 100644
--- a/lib/glob.c
+++ b/lib/glob.c
@@ -102,7 +102,7 @@ bool __pure glob_match(char const *pat, char const *str)
break;
case '\\':
d = *pat++;
- /*FALLTHROUGH*/
+ /* fall through */
default: /* Literal character */
literal:
if (c == d) {
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index c155769559ab..afb9521ddf91 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -1681,7 +1681,8 @@ char *uuid_string(char *buf, char *end, const u8 *addr,
switch (*(++fmt)) {
case 'L':
- uc = true; /* fall-through */
+ uc = true;
+ /* fall through */
case 'l':
index = guid_index;
break;
@@ -2218,7 +2219,7 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr,
case 'S':
case 's':
ptr = dereference_symbol_descriptor(ptr);
- /* Fallthrough */
+ /* fall through */
case 'B':
return symbol_string(buf, end, ptr, spec, fmt);
case 'R':
@@ -2467,7 +2468,7 @@ qualifier:
* utility, treat it as any other invalid or
* unsupported format specifier.
*/
- /* Fall-through */
+ /* fall through */
default:
WARN_ONCE(1, "Please remove unsupported %%%c in format string\n", *fmt);
diff --git a/lib/xz/xz_dec_lzma2.c b/lib/xz/xz_dec_lzma2.c
index 9f336bc07ed6..65a1aad8c223 100644
--- a/lib/xz/xz_dec_lzma2.c
+++ b/lib/xz/xz_dec_lzma2.c
@@ -1043,7 +1043,7 @@ XZ_EXTERN enum xz_ret xz_dec_lzma2_run(struct xz_dec_lzma2 *s,
s->lzma2.sequence = SEQ_LZMA_PREPARE;
- /* Fall through */
+ /* fall through */
case SEQ_LZMA_PREPARE:
if (s->lzma2.compressed < RC_INIT_BYTES)
@@ -1055,7 +1055,7 @@ XZ_EXTERN enum xz_ret xz_dec_lzma2_run(struct xz_dec_lzma2 *s,
s->lzma2.compressed -= RC_INIT_BYTES;
s->lzma2.sequence = SEQ_LZMA_RUN;
- /* Fall through */
+ /* fall through */
case SEQ_LZMA_RUN:
/*
diff --git a/lib/xz/xz_dec_stream.c b/lib/xz/xz_dec_stream.c
index bd1d182419d7..32ab2a08b7cb 100644
--- a/lib/xz/xz_dec_stream.c
+++ b/lib/xz/xz_dec_stream.c
@@ -583,7 +583,7 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)
if (ret != XZ_OK)
return ret;
- /* Fall through */
+ /* fall through */
case SEQ_BLOCK_START:
/* We need one byte of input to continue. */
@@ -608,7 +608,7 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)
s->temp.pos = 0;
s->sequence = SEQ_BLOCK_HEADER;
- /* Fall through */
+ /* fall through */
case SEQ_BLOCK_HEADER:
if (!fill_temp(s, b))
@@ -620,7 +620,7 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)
s->sequence = SEQ_BLOCK_UNCOMPRESS;
- /* Fall through */
+ /* fall through */
case SEQ_BLOCK_UNCOMPRESS:
ret = dec_block(s, b);
@@ -629,7 +629,7 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)
s->sequence = SEQ_BLOCK_PADDING;
- /* Fall through */
+ /* fall through */
case SEQ_BLOCK_PADDING:
/*
@@ -651,7 +651,7 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)
s->sequence = SEQ_BLOCK_CHECK;
- /* Fall through */
+ /* fall through */
case SEQ_BLOCK_CHECK:
if (s->check_type == XZ_CHECK_CRC32) {
@@ -675,7 +675,7 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)
s->sequence = SEQ_INDEX_PADDING;
- /* Fall through */
+ /* fall through */
case SEQ_INDEX_PADDING:
while ((s->index.size + (b->in_pos - s->in_start))
@@ -699,7 +699,7 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)
s->sequence = SEQ_INDEX_CRC32;
- /* Fall through */
+ /* fall through */
case SEQ_INDEX_CRC32:
ret = crc32_validate(s, b);
@@ -709,7 +709,7 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)
s->temp.size = STREAM_HEADER_SIZE;
s->sequence = SEQ_STREAM_FOOTER;
- /* Fall through */
+ /* fall through */
case SEQ_STREAM_FOOTER:
if (!fill_temp(s, b))
diff --git a/lib/zstd/decompress.c b/lib/zstd/decompress.c
index 269ee9a796c1..db6761ea4deb 100644
--- a/lib/zstd/decompress.c
+++ b/lib/zstd/decompress.c
@@ -442,7 +442,7 @@ size_t ZSTD_decodeLiteralsBlock(ZSTD_DCtx *dctx, const void *src, size_t srcSize
case set_repeat:
if (dctx->litEntropy == 0)
return ERROR(dictionary_corrupted);
- /* fall-through */
+ /* fall through */
case set_compressed:
if (srcSize < 5)
return ERROR(corruption_detected); /* srcSize >= MIN_CBLOCK_SIZE == 3; here we need up to 5 for case 3 */
@@ -2309,7 +2309,7 @@ size_t ZSTD_decompressStream(ZSTD_DStream *zds, ZSTD_outBuffer *output, ZSTD_inB
switch (zds->stage) {
case zdss_init:
ZSTD_resetDStream(zds); /* transparent reset on starting decoding a new frame */
- /* fall-through */
+ /* fall through */
case zdss_loadHeader: {
size_t const hSize = ZSTD_getFrameParams(&zds->fParams, zds->headerBuffer, zds->lhSize);
@@ -2376,7 +2376,7 @@ size_t ZSTD_decompressStream(ZSTD_DStream *zds, ZSTD_outBuffer *output, ZSTD_inB
}
zds->stage = zdss_read;
}
- /* fall through */
+ /* fall through */
case zdss_read: {
size_t const neededInSize = ZSTD_nextSrcSizeToDecompress(zds->dctx);
@@ -2405,7 +2405,7 @@ size_t ZSTD_decompressStream(ZSTD_DStream *zds, ZSTD_outBuffer *output, ZSTD_inB
zds->stage = zdss_load;
/* pass-through */
}
- /* fall through */
+ /* fall through */
case zdss_load: {
size_t const neededInSize = ZSTD_nextSrcSizeToDecompress(zds->dctx);
@@ -2438,7 +2438,7 @@ size_t ZSTD_decompressStream(ZSTD_DStream *zds, ZSTD_outBuffer *output, ZSTD_inB
/* pass-through */
}
}
- /* fall through */
+ /* fall through */
case zdss_flush: {
size_t const toFlushSize = zds->outEnd - zds->outStart;
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-28 21:26:47 +0300