From: Colin King <colin.king@canonical.com> To: Mauro Carvalho Chehab <mchehab@kernel.org>, Tobias Klausmann <tobias.johannes.klausmann@mni.thm.de>, linux-media@vger.kernel.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH][next] media: stv090x: fix double free on state object Date: Tue, 11 Jun 2019 16:38:12 +0100 [thread overview] Message-ID: <20190611153812.4789-1-colin.king@canonical.com> (raw) From: Colin Ian King <colin.king@canonical.com> There two callers of stv090x_setup_compound manage the allocation and freeing if state there is an error condition from stv090x_setup_compound. Currently function stv090x_setup_compound also frees the state object too, leading to a double free in the callers of this function. Fix this by removing the extraneous free in stv090x_setup_compound and just leave the callers handle the allocation/free'ing. Addresses-Coverity: ("Double free") Fixes: eb5005df886b ("media: stv090x: Implement probe/remove for stv090x") Signed-off-by: Colin Ian King <colin.king@canonical.com> --- drivers/media/dvb-frontends/stv090x.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/media/dvb-frontends/stv090x.c b/drivers/media/dvb-frontends/stv090x.c index 986e585e0103..90d24131d335 100644 --- a/drivers/media/dvb-frontends/stv090x.c +++ b/drivers/media/dvb-frontends/stv090x.c @@ -4942,7 +4942,6 @@ static int stv090x_setup_compound(struct stv090x_state *state) return 0; error: - kfree(state); return -ENOMEM; err_remove: remove_dev(state->internal); -- 2.20.1
WARNING: multiple messages have this Message-ID (diff)
From: Colin King <colin.king@canonical.com> To: Mauro Carvalho Chehab <mchehab@kernel.org>, Tobias Klausmann <tobias.johannes.klausmann@mni.thm.de>, linux-media@vger.kernel.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH][next] media: stv090x: fix double free on state object Date: Tue, 11 Jun 2019 15:38:12 +0000 [thread overview] Message-ID: <20190611153812.4789-1-colin.king@canonical.com> (raw) From: Colin Ian King <colin.king@canonical.com> There two callers of stv090x_setup_compound manage the allocation and freeing if state there is an error condition from stv090x_setup_compound. Currently function stv090x_setup_compound also frees the state object too, leading to a double free in the callers of this function. Fix this by removing the extraneous free in stv090x_setup_compound and just leave the callers handle the allocation/free'ing. Addresses-Coverity: ("Double free") Fixes: eb5005df886b ("media: stv090x: Implement probe/remove for stv090x") Signed-off-by: Colin Ian King <colin.king@canonical.com> --- drivers/media/dvb-frontends/stv090x.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/media/dvb-frontends/stv090x.c b/drivers/media/dvb-frontends/stv090x.c index 986e585e0103..90d24131d335 100644 --- a/drivers/media/dvb-frontends/stv090x.c +++ b/drivers/media/dvb-frontends/stv090x.c @@ -4942,7 +4942,6 @@ static int stv090x_setup_compound(struct stv090x_state *state) return 0; error: - kfree(state); return -ENOMEM; err_remove: remove_dev(state->internal); -- 2.20.1
next reply other threads:[~2019-06-11 15:38 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-06-11 15:38 Colin King [this message] 2019-06-11 15:38 ` [PATCH][next] media: stv090x: fix double free on state object Colin King
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