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libpayload: cbfs: Fix minor memory leak in some edge cases 

cbfs_get_handle() allocates memory for a handle and doesn't free it if
it errors out later, leaving the memory permanently leaked. Fix.

Change-Id: Ide198105ce3ad6237672ff152b4490c768909564
Reported-by: Coverity
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/16207
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
This commit is contained in:
Julius Werner 2016-08-12 12:50:42 -07:00
parent 1b52e2596e
commit 55ffccfbae
1 changed files with 3 additions and 0 deletions
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3
payloads/libpayload/libcbfs/cbfs_core.c
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@ -148,6 +148,7 @@ struct cbfs_handle *cbfs_get_handle(struct cbfs_media *media, const char *name)
if (get_cbfs_range(&offset, &cbfs_end, media)) {
ERROR("Failed to find cbfs range\n");
free(handle);
return NULL;
}
@ -155,6 +156,7 @@ struct cbfs_handle *cbfs_get_handle(struct cbfs_media *media, const char *name)
media = &handle->media;
if (init_default_cbfs_media(media) != 0) {
ERROR("Failed to initialize default media.\n");
free(handle);
return NULL;
}
} else {
@ -215,6 +217,7 @@ struct cbfs_handle *cbfs_get_handle(struct cbfs_media *media, const char *name)
}
media->close(media);
LOG("WARNING: '%s' not found.\n", name);
free(handle);
return NULL;
}