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genksyms: Handle string literals with spaces in reference files

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commit a78f70e8d6 upstream.

The reference files use spaces to separate tokens, however, we must
preserve spaces inside string literals. Currently the only case in the
tree is struct edac_raw_error_desc in <linux/edac.h>:

$ KBUILD_SYMTYPES=1 make -s drivers/edac/amd64_edac.symtypes
$ mv drivers/edac/amd64_edac.{symtypes,symref}
$ KBUILD_SYMTYPES=1 make -s drivers/edac/amd64_edac.symtypes
drivers/edac/amd64_edac.c:527: warning: amd64_get_dram_hole_info: modversion changed because of changes in struct edac_raw_error_desc

Signed-off-by: Michal Marek <mmarek@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Michal Marek 2015-12-09 15:08:21 +01:00 committed by Greg Kroah-Hartman
parent a4c1c75373
commit 104fd57d39
1 changed files with 4 additions and 2 deletions
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6
scripts/genksyms/genksyms.c
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@ -423,13 +423,15 @@ static struct string_list *read_node(FILE *f)
struct string_list node = {
.string = buffer,
.tag = SYM_NORMAL };
int c;
int c, in_string = 0;
while ((c = fgetc(f)) != EOF) {
if (c == ' ') {
if (!in_string && c == ' ') {
if (node.string == buffer)
continue;
break;
} else if (c == '"') {
in_string = !in_string;
} else if (c == '\n') {
if (node.string == buffer)
return NULL;