Check return value when open the plugin file.

Coverity report: ** CID 153926: Error handling issues (NEGATIVE_RETURNS) /tools/imximage.c: 542 in copy_plugin_code()

ifd = open(plugin_file, O_RDONLY|O_BINARY);

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CID 153926: Error handling issues (NEGATIVE_RETURNS) "ifd" is passed to a parameter that cannot be negative.

Signed-off-by: Peng Fan peng.fan@nxp.com Cc: Stefano Babic sbabic@denx.de Cc: Tom Rini trini@konsulko.com --- tools/imximage.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/tools/imximage.c b/tools/imximage.c index 615a64e..c9e42ec 100644 --- a/tools/imximage.c +++ b/tools/imximage.c @@ -533,12 +533,19 @@ static void print_hdr_v2(struct imx_header *imx_hdr)

static void copy_plugin_code(struct imx_header *imxhdr, char *plugin_file) { - int ifd = -1; + int ifd; struct stat sbuf; char *plugin_buf = imxhdr->header.hdr_v2.data.plugin_code; char *ptr;

ifd = open(plugin_file, O_RDONLY|O_BINARY); + if (ifd < 0) { + fprintf(stderr, "Can't open %s: %s\n", + plugin_file, + strerror(errno)); + exit(EXIT_FAILURE); + } + if (fstat(ifd, &sbuf) < 0) { fprintf(stderr, "Can't stat %s: %s\n", plugin_file,