[PATCH 03/24] staging: brcm80211: Remove NULL check before kfree
From: Ilia Mirkin <hidden>
Date: 2011-03-13 05:29:52
Also in:
lkml
Subsystem:
staging subsystem, the rest · Maintainers:
Greg Kroah-Hartman, Linus Torvalds
This patch was generated by the following semantic patch: // <smpl>
@@ expression E; @@ - if (E != NULL) { kfree(E); } + kfree(E);
@@ expression E; @@ - if (E != NULL) { kfree(E); E = NULL; } + kfree(E); + E = NULL;
// </smpl> Signed-off-by: Ilia Mirkin <redacted> --- drivers/staging/brcm80211/brcmfmac/dhd_cdc.c | 3 +- drivers/staging/brcm80211/brcmfmac/dhd_common.c | 9 ++----- drivers/staging/brcm80211/brcmfmac/dhd_linux.c | 3 +- drivers/staging/brcm80211/brcmfmac/dhd_sdio.c | 24 ++++++------------- .../staging/brcm80211/brcmsmac/phy/wlc_phy_cmn.c | 3 +- drivers/staging/brcm80211/brcmsmac/phy/wlc_phy_n.c | 6 +--- drivers/staging/brcm80211/brcmsmac/wl_mac80211.c | 9 ++----- drivers/staging/brcm80211/brcmsmac/wlc_main.c | 6 +--- drivers/staging/brcm80211/util/bcmotp.c | 3 +- drivers/staging/brcm80211/util/bcmsrom.c | 3 +- drivers/staging/brcm80211/util/hnddma.c | 14 ++++------- 11 files changed, 28 insertions(+), 55 deletions(-)
diff --git a/drivers/staging/brcm80211/brcmfmac/dhd_cdc.c b/drivers/staging/brcm80211/brcmfmac/dhd_cdc.c
index 8398fa4..39a4d00 100644
--- a/drivers/staging/brcm80211/brcmfmac/dhd_cdc.c
+++ b/drivers/staging/brcm80211/brcmfmac/dhd_cdc.c@@ -415,8 +415,7 @@ int dhd_prot_attach(dhd_pub_t *dhd) return 0; fail: - if (cdc != NULL) - kfree(cdc); + kfree(cdc); return BCME_NOMEM; }
diff --git a/drivers/staging/brcm80211/brcmfmac/dhd_common.c b/drivers/staging/brcm80211/brcmfmac/dhd_common.c
index 64d88c2..aa171f6 100644
--- a/drivers/staging/brcm80211/brcmfmac/dhd_common.c
+++ b/drivers/staging/brcm80211/brcmfmac/dhd_common.c@@ -996,8 +996,7 @@ dhd_pktfilter_offload_enable(dhd_pub_t *dhd, char *arg, int enable, __func__, arg, rc)); fail: - if (arg_org) - kfree(arg_org); + kfree(arg_org); } void dhd_pktfilter_offload_set(dhd_pub_t *dhd, char *arg)
@@ -1132,11 +1131,9 @@ void dhd_pktfilter_offload_set(dhd_pub_t *dhd, char *arg) __func__, arg)); fail: - if (arg_org) - kfree(arg_org); + kfree(arg_org); - if (buf) - kfree(buf); + kfree(buf); } void dhd_arp_offload_set(dhd_pub_t *dhd, int arp_mode)
diff --git a/drivers/staging/brcm80211/brcmfmac/dhd_linux.c b/drivers/staging/brcm80211/brcmfmac/dhd_linux.c
index d473f64..02c6d44 100644
--- a/drivers/staging/brcm80211/brcmfmac/dhd_linux.c
+++ b/drivers/staging/brcm80211/brcmfmac/dhd_linux.c@@ -1777,8 +1777,7 @@ done: bcmerror = -EFAULT; } - if (buf) - kfree(buf); + kfree(buf); if (bcmerror > 0) bcmerror = 0;
diff --git a/drivers/staging/brcm80211/brcmfmac/dhd_sdio.c b/drivers/staging/brcm80211/brcmfmac/dhd_sdio.c
index dd2e367..a6da726 100644
--- a/drivers/staging/brcm80211/brcmfmac/dhd_sdio.c
+++ b/drivers/staging/brcm80211/brcmfmac/dhd_sdio.c@@ -1930,10 +1930,8 @@ static int dhdsdio_checkdied(dhd_bus_t *bus, u8 *data, uint size) #endif /* DHD_DEBUG */ done: - if (mbuffer) - kfree(mbuffer); - if (str) - kfree(str); + kfree(mbuffer); + kfree(str); return bcmerror; }
@@ -1962,8 +1960,7 @@ static int dhdsdio_mem_dump(dhd_bus_t *bus) ret = dhdsdio_membytes(bus, false, start, databuf, read_size); if (ret) { DHD_ERROR(("%s: Error membytes %d\n", __func__, ret)); - if (buf) - kfree(buf); + kfree(buf); return -1; } printk(".");
@@ -2081,8 +2078,7 @@ int dhdsdio_downloadvars(dhd_bus_t *bus, void *arg, int len) } /* Free the old ones and replace with passed variables */ - if (bus->vars) - kfree(bus->vars); + kfree(bus->vars); bus->vars = kmalloc(len, GFP_ATOMIC); bus->varsz = bus->vars ? len : 0;
@@ -5541,10 +5537,8 @@ static void dhdsdio_release_malloc(dhd_bus_t *bus) bus->rxlen = 0; } - if (bus->databuf) { - kfree(bus->databuf); - bus->databuf = NULL; - } + kfree(bus->databuf); + bus->databuf = NULL; } static void dhdsdio_release_dongle(dhd_bus_t *bus)
@@ -5732,8 +5726,7 @@ static int dhdsdio_download_code_file(struct dhd_bus *bus, char *fw_path) } err: - if (memblock) - kfree(memblock); + kfree(memblock); if (image) dhd_os_close_image(image);
@@ -5872,8 +5865,7 @@ static int dhdsdio_download_nvram(struct dhd_bus *bus) } err: - if (memblock) - kfree(memblock); + kfree(memblock); if (image) dhd_os_close_image(image);
diff --git a/drivers/staging/brcm80211/brcmsmac/phy/wlc_phy_cmn.c b/drivers/staging/brcm80211/brcmsmac/phy/wlc_phy_cmn.c
index fc810e3..8f75af2 100644
--- a/drivers/staging/brcm80211/brcmsmac/phy/wlc_phy_cmn.c
+++ b/drivers/staging/brcm80211/brcmsmac/phy/wlc_phy_cmn.c@@ -759,8 +759,7 @@ wlc_phy_t *wlc_phy_attach(shared_phy_t *sh, void *regs, int bandtype, char *vars return &pi->pubpi_ro; err: - if (pi) - kfree(pi); + kfree(pi); return NULL; }
diff --git a/drivers/staging/brcm80211/brcmsmac/phy/wlc_phy_n.c b/drivers/staging/brcm80211/brcmsmac/phy/wlc_phy_n.c
index a385873..7947c60 100644
--- a/drivers/staging/brcm80211/brcmsmac/phy/wlc_phy_n.c
+++ b/drivers/staging/brcm80211/brcmsmac/phy/wlc_phy_n.c@@ -22383,8 +22383,7 @@ wlc_phy_gen_load_samples_nphy(phy_info_t *pi, u32 f_kHz, u16 max_val, wlc_phy_loadsampletable_nphy(pi, tone_buf, num_samps); - if (tone_buf != NULL) - kfree(tone_buf); + kfree(tone_buf); return num_samps; }
@@ -22431,8 +22430,7 @@ wlc_phy_loadsampletable_nphy(phy_info_t *pi, cs32 *tone_buf, wlc_phy_table_write_nphy(pi, NPHY_TBL_ID_SAMPLEPLAY, num_samps, 0, 32, data_buf); - if (data_buf != NULL) - kfree(data_buf); + kfree(data_buf); if (pi->phyhang_avoid) wlc_phy_stay_in_carriersearch_nphy(pi, false);
diff --git a/drivers/staging/brcm80211/brcmsmac/wl_mac80211.c b/drivers/staging/brcm80211/brcmsmac/wl_mac80211.c
index 3550551..99fbce7 100644
--- a/drivers/staging/brcm80211/brcmsmac/wl_mac80211.c
+++ b/drivers/staging/brcm80211/brcmsmac/wl_mac80211.c@@ -1376,8 +1376,7 @@ static void wl_free(struct wl_info *wl) for (t = wl->timers; t; t = next) { next = t->next; #ifdef BCMDBG - if (t->name) - kfree(t->name); + kfree(t->name); #endif kfree(t); }
@@ -1713,8 +1712,7 @@ void wl_free_timer(struct wl_info *wl, struct wl_timer *t) if (wl->timers == t) { wl->timers = wl->timers->next; #ifdef BCMDBG - if (t->name) - kfree(t->name); + kfree(t->name); #endif kfree(t); return;
@@ -1726,8 +1724,7 @@ void wl_free_timer(struct wl_info *wl, struct wl_timer *t) if (tmp->next == t) { tmp->next = t->next; #ifdef BCMDBG - if (t->name) - kfree(t->name); + kfree(t->name); #endif kfree(t); return;
diff --git a/drivers/staging/brcm80211/brcmsmac/wlc_main.c b/drivers/staging/brcm80211/brcmsmac/wlc_main.c
index cb1e142..bc21c54 100644
--- a/drivers/staging/brcm80211/brcmsmac/wlc_main.c
+++ b/drivers/staging/brcm80211/brcmsmac/wlc_main.c@@ -2160,10 +2160,8 @@ uint wlc_detach(struct wlc_info *wlc) #ifdef BCMDBG - if (wlc->country_ie_override) { - kfree(wlc->country_ie_override); - wlc->country_ie_override = NULL; - } + kfree(wlc->country_ie_override); + wlc->country_ie_override = NULL; #endif /* BCMDBG */ {
diff --git a/drivers/staging/brcm80211/util/bcmotp.c b/drivers/staging/brcm80211/util/bcmotp.c
index b080345..ba71c10 100644
--- a/drivers/staging/brcm80211/util/bcmotp.c
+++ b/drivers/staging/brcm80211/util/bcmotp.c@@ -830,8 +830,7 @@ static int hndotp_nvread(void *oh, char *data, uint *len) *len = offset; out: - if (rawotp) - kfree(rawotp); + kfree(rawotp); si_setcoreidx(oi->sih, idx); return rc;
diff --git a/drivers/staging/brcm80211/util/bcmsrom.c b/drivers/staging/brcm80211/util/bcmsrom.c
index 7373603..eca35b9 100644
--- a/drivers/staging/brcm80211/util/bcmsrom.c
+++ b/drivers/staging/brcm80211/util/bcmsrom.c@@ -1527,8 +1527,7 @@ static int otp_read_pci(si_t *sih, u16 *buf, uint bufsz) memcpy(buf, otp, bufsz); - if (otp) - kfree(otp); + kfree(otp); /* Check CRC */ if (buf[0] == 0xffff) {
diff --git a/drivers/staging/brcm80211/util/hnddma.c b/drivers/staging/brcm80211/util/hnddma.c
index 60afd06..89aeca4 100644
--- a/drivers/staging/brcm80211/util/hnddma.c
+++ b/drivers/staging/brcm80211/util/hnddma.c@@ -559,21 +559,17 @@ static void _dma_detach(dma_info_t *di) (di->rxdpaorig)); /* free packet pointer vectors */ - if (di->txp) - kfree((void *)di->txp); - if (di->rxp) - kfree((void *)di->rxp); + kfree(di->txp); + kfree(di->rxp); /* free tx packet DMA handles */ - if (di->txp_dmah) - kfree(di->txp_dmah); + kfree(di->txp_dmah); /* free rx packet DMA handles */ - if (di->rxp_dmah) - kfree(di->rxp_dmah); + kfree(di->rxp_dmah); /* free our private info structure */ - kfree((void *)di); + kfree(di); }
--
1.7.3.4