Messages in this thread Patch in this message | | | From | Arnd Bergmann <> | Subject | [PATCH 12/15] media: s5k5baf: avoid gcc-10 zero-length-bounds warning | Date | Thu, 30 Apr 2020 23:30:54 +0200 |
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gcc-10 warns about accessing a zero-length struct member:
drivers/media/i2c/s5k5baf.c: In function 's5k5baf_load_setfile': drivers/media/i2c/s5k5baf.c:390:13: warning: array subscript 65535 is outside the bounds of an interior zero-length array 'struct <anonymous>[0]' [-Wzero-length-bounds] 390 | if (f->seq[i].offset + d <= end) | ~~~~~~^~~
This should really be a flexible-array member, but the structure already has one. I experimentally confirmed that swapping the two avoids the warning, as the 'data[]' array is not accessed like this.
Fixes: 3ba225b506a2 ("treewide: Replace zero-length array with flexible-array member") Fixes: 7d459937dc09 ("[media] Add driver for Samsung S5K5BAF camera sensor") Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- drivers/media/i2c/s5k5baf.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/media/i2c/s5k5baf.c b/drivers/media/i2c/s5k5baf.c index 42584a088273..0b1ddedcf7dc 100644 --- a/drivers/media/i2c/s5k5baf.c +++ b/drivers/media/i2c/s5k5baf.c @@ -277,11 +277,11 @@ enum { struct s5k5baf_fw { u16 count; + u16 data[0]; struct { u16 id; u16 offset; - } seq[0]; - u16 data[]; + } seq[]; }; struct s5k5baf { -- 2.26.0
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