ExternalVendorCode/openwrt
1
0
Fork 0
mirror of https://github.com/openwrt/openwrt.git synced 2025-01-31 16:35:44 +00:00
Code Issues Actions 4 Packages Projects Releases Wiki Activity

firmware-utils: fix possible memory leak and resource leak

Browse Source 
Add missing calls to `free` for variable `buffer`.
This could lead to a memory leak.

Add missing call to `close` for file pointer `fdin`.
This could lead to a resource leak.

Signed-off-by: Andrea Dalla Costa <andrea@dallacosta.me>
This commit is contained in:
Andrea Dalla Costa 2020-01-11 22:41:31 +01:00 committed by Jo-Philipp Wich
parent 402b362db4
commit 0ae0f48cec
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
tools/firmware-utils/src/dns313-header.c
View File

@ -168,11 +168,14 @@ int main(int argc, char **argv)
fdin = open(pathin, O_RDONLY);
if (!fdin) {
printf("ERROR: could not open input file\n");
free(buffer);
return 0;
}
bytes = read(fdin, buffer + HEADER_SIZE, filesize);
if (bytes < filesize) {
printf("ERROR: could not read entire file\n");
free(buffer);
close(fdin);
return 0;
}
close(fdin);