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firmware-utils/mkfwimage: fix possible memory and resource leak

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Add missing calls to `free` for variable `mem`.
Add missing call to `fclose` for variable `f`.

The same changes were made in both `mkfwimage.c` and `mkfwimage2.c`.

Signed-off-by: Andrea Dalla Costa <andrea@dallacosta.me>
This commit is contained in:
Andrea Dalla Costa 2020-01-11 23:27:17 +01:00 committed by Jo-Philipp Wich
parent 8e3b3152e5
commit b886d3c8f3
2 changed files with 6 additions and 0 deletions
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3
tools/firmware-utils/src/mkfwimage.c
View File

@ -455,6 +455,7 @@ static int build_image(image_info_t* im)
if ((f = fopen(im->outputfile, "w")) == NULL) if ((f = fopen(im->outputfile, "w")) == NULL)
{ {
ERROR("Can not create output file: '%s'\n", im->outputfile); ERROR("Can not create output file: '%s'\n", im->outputfile);
free(mem);
return -10; return -10;
} }
@ -462,6 +463,8 @@ static int build_image(image_info_t* im)
{ {
ERROR("Could not write %d bytes into file: '%s'\n", ERROR("Could not write %d bytes into file: '%s'\n",
mem_size, im->outputfile); mem_size, im->outputfile);
free(mem);
fclose(f);
return -11; return -11;
} }

3
tools/firmware-utils/src/mkfwimage2.c
View File

@ -363,12 +363,15 @@ static int build_image(void)
/* write in-memory buffer into file */ /* write in-memory buffer into file */
if ((f = fopen(im.outputfile, "w")) == NULL) { if ((f = fopen(im.outputfile, "w")) == NULL) {
ERROR("Can not create output file: '%s'\n", im.outputfile); ERROR("Can not create output file: '%s'\n", im.outputfile);
free(mem);
return -10; return -10;
} }
if (fwrite(mem, mem_size, 1, f) != 1) { if (fwrite(mem, mem_size, 1, f) != 1) {
ERROR("Could not write %d bytes into file: '%s'\n", ERROR("Could not write %d bytes into file: '%s'\n",
mem_size, im.outputfile); mem_size, im.outputfile);
free(mem);
fclose(f);
return -11; return -11;
} }