linux-sunxi/u-boot-sunxi
1
0
Fork 0
mirror of https://github.com/linux-sunxi/u-boot-sunxi.git synced 2024-02-12 11:16:03 +08:00
Code Issues Projects Releases Wiki Activity

usb: gadget: dfu: discard dead code

Browse Source 
Reported by Coverity:
Logically dead code (DEADCODE)
dead_error_line: Execution cannot reach this statement:
(f_dfu->strings + --i).s = ....

If calloc failed, i is still 0 and no need to call free,
so discard the dead code.

Signed-off-by: Peng Fan <van.freenix@gmail.com>
Cc: "Łukasz Majewski" <l.majewski@samsung.com>
Cc: Marek Vasut <marex@denx.de>
This commit is contained in:
Peng Fan
2016-05-03 10:25:22 +08:00
committed by Marek Vasut
parent 5d8fae7916
commit 12ff19dbfd
1 changed files with 1 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/usb/gadget/f_dfu.c
View File

@ -636,7 +636,7 @@ dfu_prepare_strings(struct f_dfu *f_dfu, int n)
f_dfu->strings = calloc(sizeof(struct usb_string), n + 1); f_dfu->strings = calloc(sizeof(struct usb_string), n + 1);
if (!f_dfu->strings) if (!f_dfu->strings)
goto enomem; return -ENOMEM;
for (i = 0; i < n; ++i) { for (i = 0; i < n; ++i) {
de = dfu_get_entity(i); de = dfu_get_entity(i);
@ -647,14 +647,6 @@ dfu_prepare_strings(struct f_dfu *f_dfu, int n)
f_dfu->strings[i].s = NULL; f_dfu->strings[i].s = NULL;
return 0; return 0;
enomem:
while (i)
f_dfu->strings[--i].s = NULL;
free(f_dfu->strings);
return -ENOMEM;
} }
static int dfu_prepare_function(struct f_dfu *f_dfu, int n) static int dfu_prepare_function(struct f_dfu *f_dfu, int n)