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unicode updates

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This update includes:
 
   - A patch by Thomas Weißschuh constifying a read-only struct.
 
   - A patch by André Almeida fixing the error path of unicode_load,
   which might trigger a kernel oops if it fails to find the unicode
   module.
 
   - One documentation fix by Gan Jie, updating a filename in the README.
 
   - A patch by André Almeida adding the link of my tree to MAINTAINERS.
 
 All but the MAINTAINERS patch have been sitting on my tree and in
 linux-next since early in the 6.12 cycle.
 
 Signed-off-by: Gabriel Krisman Bertazi <krisman@suse.de>
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Merge tag 'unicode-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/krisman/unicode

Pull unicode updates from Gabriel Krisman Bertazi:

 - constify a read-only struct (Thomas Weißschuh)

 - fix the error path of unicode_load, avoiding a possible kernel oops
   if it fails to find the unicode module (André Almeida)

 - documentation fix, updating a filename in the README (Gan Jie)

 - add the link of my tree to MAINTAINERS (André Almeida)

* tag 'unicode-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/krisman/unicode:
  MAINTAINERS: Add Unicode tree
  unicode: change the reference of database file
  unicode: Fix utf8_load() error path
  unicode: constify utf8 data table
This commit is contained in:
Linus Torvalds 2024-11-22 20:50:55 -08:00
commit 060fc106b6
6 changed files with 10 additions and 9 deletions
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1
MAINTAINERS
View File

@ -23925,6 +23925,7 @@ UNICODE SUBSYSTEM
M: Gabriel Krisman Bertazi <krisman@kernel.org>
L: linux-fsdevel@vger.kernel.org
S: Supported
T: git git://git.kernel.org/pub/scm/linux/kernel/git/krisman/unicode.git
F: fs/unicode/
UNIFDEF

8
fs/unicode/README.utf8data
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@ -1,4 +1,4 @@
The utf8data.h file in this directory is generated from the Unicode
The utf8data.c file in this directory is generated from the Unicode
Character Database for version 12.1.0 of the Unicode standard.
The full set of files can be found here:
@ -45,13 +45,13 @@ Then, build under fs/unicode/ with REGENERATE_UTF8DATA=1:
make REGENERATE_UTF8DATA=1 fs/unicode/
After sanity checking the newly generated utf8data.h file (the
After sanity checking the newly generated utf8data.c file (the
version generated from the 12.1.0 UCD should be 4,109 lines long, and
have a total size of 324k) and/or comparing it with the older version
of utf8data.h_shipped, rename it to utf8data.h_shipped.
of utf8data.c_shipped, rename it to utf8data.c_shipped.
If you are a kernel developer updating to a newer version of the
Unicode Character Database, please update this README.utf8data file
with the version of the UCD that was used, the md5sum and sha1sums of
the *.txt files, before checking in the new versions of the utf8data.h
the *.txt files, before checking in the new versions of the utf8data.c
and README.utf8data files.

4
fs/unicode/mkutf8data.c
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@ -36,7 +36,7 @@
#define FOLD_NAME "CaseFolding.txt"
#define NORM_NAME "NormalizationCorrections.txt"
#define TEST_NAME "NormalizationTest.txt"
#define UTF8_NAME "utf8data.h"
#define UTF8_NAME "utf8data.c"
const char *age_name = AGE_NAME;
const char *ccc_name = CCC_NAME;
@ -3269,7 +3269,7 @@ static void write_file(void)
}
fprintf(file, "};\n");
fprintf(file, "\n");
fprintf(file, "struct utf8data_table utf8_data_table = {\n");
fprintf(file, "const struct utf8data_table utf8_data_table = {\n");
fprintf(file, "\t.utf8agetab = utf8agetab,\n");
fprintf(file, "\t.utf8agetab_size = ARRAY_SIZE(utf8agetab),\n");
fprintf(file, "\n");

2
fs/unicode/utf8-core.c
View File

@ -198,7 +198,7 @@ struct unicode_map *utf8_load(unsigned int version)
return um;
out_symbol_put:
symbol_put(um->tables);
symbol_put(utf8_data_table);
out_free_um:
kfree(um);
return ERR_PTR(-EINVAL);

2
fs/unicode/utf8data.c_shipped
View File

@ -4096,7 +4096,7 @@ static const unsigned char utf8data[64080] = {
0x80,0xcf,0x86,0x85,0x84,0xcf,0x86,0xcf,0x06,0x02,0x00,0x00,0x00,0x00,0x00,0x00
};
struct utf8data_table utf8_data_table = {
const struct utf8data_table utf8_data_table = {
.utf8agetab = utf8agetab,
.utf8agetab_size = ARRAY_SIZE(utf8agetab),

2
fs/unicode/utf8n.h
View File

@ -78,6 +78,6 @@ struct utf8data_table {
const unsigned char *utf8data;
};
extern struct utf8data_table utf8_data_table;
extern const struct utf8data_table utf8_data_table;
#endif /* UTF8NORM_H */